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EDEXCEL AS: SPECIMEN P1
Q1 (A) Line Equation (5:20)
Q2 (A) Differentiation (2:49)
Q3 (A) Vectors (3:07)
Q4 (E) Factor Theorem (6:45)
Q5 (E) Integration (5:33)
Q6 (A) First Principles (9:40)
Q7 (E) Binomial Expansion (5:15)
Q8 (E) Triangle Problem (7:05)
Q9 (E) Trig Equation (6:56)
Q10 (E) Discriminant (5:58)
Q11 (M) Proof (6:11)
Q12 (E) Identify the Error (4:56)
Q13 (M) Sketch Cubic & Graph Transformations (9:01)
Q14 (E) Linearising Data with Logs (15:57)
Q15 (E) Equation of a Tangent and Intersection (7:49)
Q16 (M) Optimisation (14:17)
Q17 (E) Circle Problem (13:29)
EDEXCEL AS: SPECIMEN P2
Q1 (A) Large Data Set, Sampling Techniques & Standard Deviation (5:05)
Q2 (E) Histogram (7:34)
Q3 (E) Venn Diagram (7:01)
Q4 (E) Regression Line (12:19)
Q5 (M) Binomial Distribution (15:39)
Q6 (A) vt Graph (4:45)
Q7 (E) suvat (7:32)
Q8 (M) Variable Acceleration (8:52)
Q9 (M) Connected Particles over Pulley (8:18)
AS: EDEXCEL 2018 PAPER 1
Q1 (A) Integration Yr 1 (3:31)
Q2 (E) Proof (6:48)
Q3 (A) Vectors (3:24)
Q4 (A) Line Equation (4:37)
Q5 (A) Identify the Error (logs) (5:11)
Q6 (A) Modeling with Quadratics (9:40)
Q7 (E) Triangle Problem (6:38)
Q8 (A) Optimization (8:34)
Q9 (E) Factor Theorem and Graph Transformations (10:50)
Q10 (A) 1st Principles (6:18)
Q11 (E) Binomial Expansion (5:14)
Q12 (M) Trig Yr 1 (7:46)
Q13 (A) Linearising data with logs (8:42)
Q14 (A) Discriminant (9:44)
Q15 (M) Areas under Curves (11:20)
AS: EDEXCEL 2018 PAPER 2
Q1 (A) Regression Line (6:31)
Q2 (E) Probability (9:03)
Q3 (A) Hypothesis Test – Binomial (8:21)
Q4 (E) Large Data Set (10:26)
Q5 (M) Discrete Random Variables (8:53)
Q6 (E) Suvat (Vertical) (5:14)
Q7 (A) vt graph (11:46)
Q8 (E) Variable Acceleration (10:56)
Q9 (E) Connected Particles Over a Pulley (9:49)
AS: OCR SPECIMEN PAPER 1
Q1 (A) Differentiation (2:27)
Q2 (A) Circle Equation (4:40)
Q3 (A) Triangle Problem (4:22)
Q4 (A) Stationary Point (5:16)
Q5 (E) Areas Under Curves (7:42)
Q6 (M) Factor Theorem & Trig Equation (10:29)
A: EDEXCEL SPECIMEN PAPER 1
Q1 (A) Stationary Points (4:50)
Q2 (A) Sectors Problem (4:23)
Q3 (E) Circle Equation (4:54)
Q4 (A) Integration (5:19)
Q5 (A) Parametric Conversion (5:23)
Q6 (M) Linear & Exponential Modelling (9:51)
Q7 (A) Vectors (6:27)
Q8 (E) Newton-Raphson (9:20)
Q9 (E) Trig Proof (7:20)
Q10 (A) First Principles (8:15)
Q11 (M) Modelling with Quadratics (11:50)
Q12 (E) Log-Log Graphs (10:18)
Q13 (A) Parametric Differentiation (11:34)
Q14 (E) Trapezium Rule & Areas Under Curves (10:19)
Q15 (M) Stationary Points, Trig, Graph Transformations (11:13)
A: EDEXCEL SPECIMEN PAPER 2
Q1 (A) Factor Theorem (2:30)
Q2 (E) Trig Equation (3:48)
Q3 (A) Differentiation (4:19)
Q4 (A) Composite Functions (4:40)
Q5 (A) Exponential Model (4:14)
Q6 (E) Proof (6:23)
Q7 (A) Binomial Expansion (5:36)
Q8 (E) Coordinate Geometry (7:17)
Q9 (A) Integration (6:05)
Q10 (A) Geometric Series (6:04)
Q11 (E) Modulus Equation (8:15)
Q12 (E) Trig Equation (6:56)
Q13 (E) Rcos(x+a) (12:16)
Q14 (E) Optimisation (8:02)
Q15 (M) Area Under Curve (8:37)
Q16 (M) Differential Equation (13:57)
A: EDEXCEL SPECIMEN PAPER 3
Q1 (M) Histogram, Grouped Data, Normal Distribution (11:52)
Q2 (A) Correlation & Regression, Hypothesis Test – Correlation (7:46)
Q3 (M) Normal & Binomial Distribution, Hypothesis Test – Normal (11:46)
Q4 (E) Probability (10:53)
Q5 (M) Binomial & Normal Distribution (12:03)
Q6 (A) Variable Acceleration – Vectors (3:37)
Q7 (E) Particle on a Slope (11:20)
Q8 (E) Vectors – Position & Velocity (9:34)
Q9 (E) Ladder Problem (13:57)
Q10 (A) Projectiles (12:01)
A: EDEXCEL 2018 PAPER 1
Q1 (A) Small Angles (7:06)
Q2 (A) Stationary point Yr 1 (10:32)
Q3 (A) Sector Problem (5:36)
Q4 (A) Iteration (12:27)
Q5 (E) Differentiation Yr2 (10:35)
Q6 (E) Circle Problem (15:37)
Q7 (E) Integration Yr2 (12:10)
Q8 (M) Trig Yr1 (11:55)
Q9 (E) Implicit Differentiation (16:16)
Q10 (M) Solving Differential Equations (16:12)
Q11 (E) Binomial Expansion Y2 (16:23)
Q12 (A) Exponential Decay (16:21)
Q13 (M) Integration Yr2 (12:26)
Q14 (M) Parametric Function (19:03)
A: EDEXCEL 2018 PAPER 2
Q1 (A) Functions (12:04)
Q2 (A) Vectors Yr2 (9:31)
Q3 (E) Proof and Modulus Inequality (12:02)
Q4 (A) Sequences and Series (13:31)
Q5 (A) Newton Raphson (11:19)
Q6 (M) Factor Theorem (12:55)
Q7 (M) Trig Yr2 (16:00)
Q8 (E) Modelling with Quadratics (16:16)
Q9 (A) 1st Principles Yr2 (9:01)
Q10 (E) Form and Solve Differential Equations (15:49)
Q11 (E) Partial Fractions and Decreasing Function (12:14)
Q12 (M) Trig Yr2 (12:45)
Q13 (M) Areas Under Curves Yr2 (13:06)
Q14 (M) Exponential Growth (18:30)
A: EDEXCEL 2018 PAPER 3
Q1 (M) Large Data Set (Discrete Uniform Distribution) (8:10)
Q2 (E) Hypothesis Test-Correlation (13:42)
Q3 (M) Binomial Distribution and Discrete Random Variables (12:23)
Q4 (A) Sampling Methods and Data Calculations (10:09)
Q5 (M) Normal Distribution and Hypothesis test (15:26)
Q6 (A) Variable Acceleration (Vectors) (4:57)
Q7 (E) Force Acceleration Problem Yr2 (10:28)
Q8 (E) Vectors (Force Problem) Yr1 (8:33)
Q9 (M) Moments (20:18)
Q10 (M) Projectiles (14:21)
AQA AS: Specimen PAPER 1
Q1 (A) Graph Transformations (1:38)
Q2 (E) Proof (2:55)
Q3 (A) Indices (2:53)
Q4 (A) Surds (3:55)
Q5 (A) Identify the Error (3:20)
Q6 (E) Area of a Parallelogram (5:33)
Q7 (E) Lines (3:50)
Q8 (E) Binomial Expansion (6:11)
Q9 (E) First Principles (5:09)
Q10 (A) Linearising Data with Logs (9:09)
Q11 (M) Proof (6:15)
Q12 (E) Equation of Tangent (7:39)
Q13 (E) Vectors (4:01)
Q14 (A) Lift Problems (4:17)
Q15 (E) vt Graph (4:11)
Q16 (A) Variable Acceleration (7:12)
Q17 (E) Particles Connected Over a Pulley (8:36)
AQA AS: SPECIMEN PAPER 2
Q1 (A) Factor Theorem (1:29)
Q2 (E) Graph Transformations (2:02)
Q3 (A) Logs (2:19)
Q4 (A) Complete the Square (3:30)
Q5 (A) Discriminant (3:32)
Q6 (E) Areas Under Curves (3:47)
Q7 (M) Trig Equations (4:06)
Q8 (A) Increasing Function (5:00)
Q9 (E) Differentiation (3:50)
Q10 (E) Exponential Growth (9:00)
Q11 (E) Circles (7:05)
Q12 (E) Proof (6:05)
Q13 (A) Discrete Random Variables (1:32)
Q14 (A) Large Data Set (1:25)
Q15 (E) Probability (3:38)
Q16 (E) Large Data Set (4:25)
Q17 (A) Outliers (6:59)
Q18 (E) Sampling Techniques (5:01)
Q19 (M) Hypothesis Test-Binomial (12:23)
AS: AQA 2018 PAPER 1
Q1 (E) Gradients of Lines (1:04)
Q2 (A) Tangent to Circle (0:42)
Q3 (A) Decreasing (0:46)
Q4 (A) Binomial Expansion (1:25)
Q5 (M) Line Equation (1:39)
Q6 (M) Trig Proof and Equation (1:42)
Q7 (M) Proof (1:33)
Q8 (E) Linearising Data with Logs (1:32)
Q9 (E) First Principles (2:23)
Q10 (E) Stationary Points (2:20)
Q11 (A) suvat (0:48)
Q12 (A) Newton Second Law (0:44)
Q13 (A) vt Graph (1:44)
Q14 (E) Connected Particles (1:39)
Q15 (M) Force Acceleration Problem (2:10)
Q16 (A) Variable Acceleration and suvat (1:15)
AS: AQA 2018 PAPER 2
Q1 (A) Integration (0:39)
Q2 (A) Graph Transformations (0:52)
Q3 (A) Logs (0:27)
Q4 (E) Trig Equation (1:38)
Q5 (M) Integration (1:30)
Q6 (E) Vector Proof (1:56)
Q7 (E) Discriminant (1:29)
Q8 (M) Circles (1:29)
Q9 (M) Trig Exact Values (1:01)
Q10 (M) Binomial Expansion (2:11)
Q11 (E) Optimisation (2:03)
Q12 (E) Exponential Growth (2:10)
Q13 (A) Discrete Random Variable (0:34)
Q14 (A) Standard Deviation (0:32)
Q15 (M) Binomial Distribution (1:21)
Q16 (A) Sampling Methods (1:04)
Q17 (A) Large Data Set (0:52)
Q18 (A) Correlation (1:00)
Q19 (A) Hypothesis Test – Binomial (1:41)
A: AQA SPECIMEN PAPER 1
Q1 (A) Differentiation (0:53)
Q2 (A) Differentiation (1:07)
Q3 (A) Small Angle Approximations (1:33)
Q4 (E) Factor Theorem & Algebraic Division (4:09)
Q5 (E) Sector Problem (4:02)
Q6 (A) Form a Differential Equation (2:01)
Q7 (A) Discriminant (2:08)
Q8 (E) Integration (4:05)
Q9 (E) Increasing/Decreasing (4:24)
Q10 (A) Functions (4:57)
Q11 (M) Circle Geometry (5:03)
Q12 (M) Implicit Differentiation (4:45)
Q13 (A) Trig Proof (3:00)
Q14 (E) Optimisation (6:22)
Q15 (A) Differential Equations (4:48)
Q16 (M) Proof (4:29)
Q17 (A) First Principles (4:06)
A: AQA SPECIMEN PAPER 2
Q1 (A) Binomial Expansion (1:45)
Q2 (A) Exponential Growth (1:21)
Q3 (A) Parametric Differentiation & Conversion (4:03)
Q4 (A) Newton-Raphson (7:52)
Q5 (E) Rcos(x+a) (8:39)
Q6 (E) Surds & Quadratics (4:40)
Q7 (E) Proof (5:53)
Q8 (E) Inflection Points (12:12)
Q9 (E) Arithmetic & Geometric Series (8:20)
Q10 (A) Newton’s Law (1:21)
Q11 (A) Moments (2:27)
Q12 (A) vt Graph (4:04)
Q13 (E) Resultant Force (5:32)
Q14 (M) vt Graph & Forces (7:48)
Q15 (M) Non-Uniform Acceleration (10:21)
Q16 (E) Particle on a Slope (13:19)
Q17 (E) Projectiles (11:00)
A: AQA SPECIMEN PAPER 3
Q1 (A) Areas Under Curves (1:44)
Q2 (E) Sectors & Triangles (4:47)
Q3 (E) Exponential Growth (12:31)
Q4 (A) Integration (5:01)
Q6 (E) Integration (5:50)
Q5 (A) Binomial Expansion (6:51)
Q7 (M) Concave/Convex & Trapezium Rule (10:35)
Q8 (A) Sampling Techniques (1:50)
Q9 (A) Binomial Distribution (5:44)
Q10 (E) Correlation (8:41)
Q11 (E) Discrete Random Variables (3:19)
Q12 (E) Hypothesis Test – Binomial (10:04)
Q13 (E) Normal Distribution (9:32)
Q14 (E) Hypothesis Test – Normal (13:02)
Q15 (M) Probability (5:15)
A: AQA 2018 PAPER 1
Q1 (A) Differentiation Yr1 (2:01)
Q2 (A) Graph Transformation (2:33)
Q3 (A) Sequences (1:55)
Q4 (A) Inverse Function (4:19)
Q5 (A) Parametrics (8:27)
Q6 (M) Binomial Expansion (14:46)
Q7 (E) Circles (11:51)
Q8 (E) Sectors and Newton Raphson (10:07)
Q9 (A) Arithmetic Series (8:04)
Q10 (M) Exponential Decay (11:37)
Q11 (E) Iteration (11:56)
Q12 (E) Factor Theorem and Trig (11:37)
Q13 (M) Optimisation (12:41)
Q14 (M) Proof (13:34)
Q15 (E) First Principles (9:25)
A: AQA 2018 PAPER 2
Q1 (E) Proof (2:16)
Q2 (A) Binomial Expansion (2:44)
Q3 (A) Area Under Curve (2:23)
Q4 (A) Discriminant (7:31)
Q5 (M) Proof (3:25)
Q6 (M) Implicit Differentiation (5:56)
Q7 (M) Integration (7:15)
Q8 (E) RCos(x+a) (12:12)
Q9 (A) Differential Equation (17:45)
Q10 (A) Suvat (2:31)
Q11 (E) Moments (2:27)
Q12 (E) vt graph (6:19)
Q13 (E) Force Acceleration with Friction (10:08)
Q14 (E) Vector Proof (6:49)
Q15 (A) Variable Acceleration (9:46)
Q16 (A) Projectiles (6:44)
Q17 (M) Connected Particles (18:42)
A: AQA 2018 PAPER 3
Q1 (A) Circles (1:32)
Q2 (A) Differentiation (1:31)
Q3 (A) Straight lines (2:35)
Q4 (A) Modulus Graph (2:26)
Q5 (E) Small Angles (5:24)
Q6 (E) Domain, Inflection, Convex (14:33)
Q7 (E) Logs (7:24)
Q8 (M) Trig Proof and Integration (9:23)
Q9 (M) Geometric Series (9:51)
Q10 (E) Proof by Contradiction (8:56)
Q11 (A) Discrete Random Variable (1:10)
Q12 (E) Histogram (3:35)
Q13 (A) Large Data Set (4:13)
Q14 (A) Probability (7:20)
Q15 (A) Binomial Distribution (6:56)
Q16 (E) Normal distribution (12:43)
Q17 (E) Hypothesis Test – Binomial (16:51)
Q18 (E) Sampling Methods and Hypothesis Test Normal (13:14)
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AS: STARTING YEAR 12
1. Indices Surds Fractions (84:10)
2. Factorising (25:56)
3. Completing the Square (40:03)
4. Simultaneous Equations (31:37)
AS: ALGEBRAIC TECHNIQUES
5. Hidden Quadratics (7:36)
6. The Discriminant of a Quadratic (6:49)
7. The Factor Theorem & Algebraic Division (10:24)
8. The Binomial Expansion (12:38)
9. Using the Binomial Expansion (12:23)
AS: FUNCTIONS & GRAPHS
10. Modelling with Linear Functions (10:29)
11. Modelling with Quadratic Functions (12:16)
12. Sketching Factorised Polynomials (12:20)
13. Graph Transformations (7:47)
14. Transformations of Functions (9:29)
15. Sketching Transformations of x^3 and x^4 (7:23)
16. Sketching Transformations of 1/x and 1/x^2 (10:23)
17. Sketching (ax+b)/(cx+d) (8:10)
18. Solving Inequalities (15:01)
19. Sketching Inequalities (20:03)
AS: LINES & CIRCLES
20. Line Equation (20:59)
21. Line Geometry (13:26)
22. Circle Geometry (17:22)
AS: VECTORS & TRIANGLES
23. Formulae for Sectors & Triangles (10:52)
24. Introduction to Vectors (10:18)
25. Vectors – Shape Problems (12:15)
26. Vectors – Shape Proofs (11:30)
AS: EXPONENTIALS & LOGS
27. Modelling with Exponential Functions (12:14)
28. Logarithmic Functions (9:28)
29. Exponential & Logarithmic Equations (8:20)
30. Log Rules (5:11)
31. Linearising Data with Logs (15:04)
AS: TRIGONOMETRY
32. Understanding sinx, cosx, tanx (10:30)
33. Solve ‘Mini’ Trig Equations (12:03)
AS: DIFFERENTIATION
34. Intro to Differentiation – Tangents & Normals (9:53)
35. Stationary Points (11:25)
36. Optimisation Problems (7:45)
AS: INTEGRATION
37. Introduction to Integration (12:48)
38. Areas Under Curves (11:27)
AS: PROOF
39. Disproof by Counter Example (6:43)
40. Proof by Exhaustion (26:44)
41. Odd/Even & Consecutive Number Proofs (16:34)
42. Rational/Irrational Number Proofs (5:05)
43. First Principles (12:05)
AS: (Stats) REPRESENTING DATA
44. Survey vs Census (9:09)
45. Sampling Techniques (16:39)
46. Comparing Data Sets (9:15)
47. Histograms (8:37)
48. Quantiles & Interpolation (17:54)
49. Standard Deviation (9:02)
50. Regression Lines (10:53)
AS: (Stats) PROBABILITY
51. Venn Diagrams & Set Notation (12:02)
AS: (Stats) BINOMIAL DISTRIBUTION
52. Binomial Probabilities (13:13)
53. Binomial Inverse Problems (10:38)
54. Further Binomial Problems (9:52)
AS: (Stats) HYPOTHESIS TESTING
56. Hypothesis Testing (Binomial) – Critical Values (13:56)
55. Hypothesis Testing for Significance (Binomial) (11:30)
AS: (Mech) CONSTANT ACCELERATION (SUVAT)
57. st, vt & at Graphs (15:24)
58. Constant Acceleration Problems (9:45)
59. Vertical Motion Under Gravity (9:40)
60. Change in Motion Problems (11:41)
61. Vectors – Position & Velocity Problems (12:08)
AS: (Mech) NON CONSTANT ACCELERATION
62. 1D Variable Acceleration (9:35)
AS: (Mech) FORCE ACCELERATION PROBLEMS
63. Drawing Force Diagrams (11:16)
64. Forces & Newton’s Laws (11:47)
65. Car/Trailer & Lift Problems (12:48)
66. Pulley Problems (10:27)
67. Change in Motion (eg string breaks) (12:54)
68. Vectors – Force Problems (9:26)
A: ALGEBRAIC TECHNIQUES
1. Algebraic Fractions (6:29)
2. Partial Fractions (9:03)
The Binomial Expansion (AS Tutorial) (12:38)
3. Using the Binomial Expansion (12:23)
A: SEQUENCES & SERIES
4. Notation & Language of Series (14:08)
5. Arithmetic Series & Geometric Series (10:08)
A: NUMERICAL METHODS
7. Change of Sign Argument (12:05)
8. Cobwebs & Staircases (13:21)
9. Newton-Raphson (10:07)
10. The Trapezium Rule (10:11)
A: FUNCTIONS & GRAPHS
12. Domain & Range (11:13)
13. Composite Functions (13:29)
14. Inverse Functions (9:39)
15. Modulus Graphs (11:13)
16. Modulus Equations & Inequalities (8:22)
17. Parametrically Defined Functions (13:57)
18. Converting Parametric to Cartesian (7:39)
A: VECTORS & SECTORS
19. Sector & Triangle Problems
20. Vectors in 3 Dimensions (11:32)
A: TRIGONOMETRY
21. Small Angle Approximations (9:19)
22. Reciprocal Trig Functions (8:39)
23. Pythagorean Identites (14:49)
24. Addition Formulae (19:51)
25. Double/Half Angle Formulae (24:55)
26. Harmonic Form Rcos(x+a) (12:12)
27. Inverse Trig Functions (14:17)
A: DIFFERENTIATION
28. Increasing, Decreasing, Concave & Convex Graphs (15:12)
29. The Derivatives (8:55)
30. The Chain Rule (21:40)
31. The Product & Quotient Rules (9:18)
33. Connected Rates & Parametric Differentiation (The Chain Rule) (7:57)
34. Implicit Differentiation (The Chain Rule) (12:14)
35. Differentiating x=f(y) (Implicit Differentiation) (5:42)
A: INTEGRATION
36. How to Integrate (G-D-A) (11:54)
37. Integrate Fractions & Trig (11:43)
38. Integration by Substitution & Parametric Integration (10:28)
39. Integration by Parts (8:21)
40. Form & Solve Differential Equations (12:02)
A: PROOF
41. First Principles Trig (24:00)
42. Proof by Contradiction (18:52)
A: (Stats) CORRELATION & REGRESSION
43. Product Moment Correlation Coefficient (9:28)
A: (Stats) PROBABILITY
44. Conditional Probability (10:44)
A: (Stats) NORMAL DISTRIBUTION
45. Key Features of a Normal Distribution (10:43)
46. Normal – Mean & Variance Known (11:15)
47. Normal – Mean & Variance Unknown (6:40)
48. Using the Normal to Approximate the Binomial (9:01)
A: (Stats) HYPOTHESIS TESTING
49. Hypothesis Testing for the Mean of a Population (9:11)
50. Hypothesis Testing for Zero Correlation (6:55)
A: (Mech) PROJECTILES
51. Projectiles (19:12)
A: (Mech) NON CONSTANT ACCELERATION
52. 2D Variable Acceleration (13:27)
A: (Mech) FORCE ACCELERATION PROBLEMS
53. Friction (8:35)
54. Resolving Forces (16:29)
55. Smooth Bead Problems (6:51)
A: (Mech) MOMENTS
56. Finding Moments (11:13)
57. Beam Problems with Parallel Forces (9:21)
58. Beam Problems – Non Parallel Forces (10:52)
59. Hinge Problems (12:41)
60. Ladder Problems (Not For AQA Students) (13:30)
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AS: PRACTICAL SKILLS
Investigation, Osmosis, Graph Skills & Maths Skills [AQA P1 ’18 Q2] (23:43)
Practical Skills, Microscopes, Organelles, Maths Skills [AQA P3 ’15 Q2] (15:44)
Practical Skills, Investigation, Stats Skills, t-Test [Edexcel P1 ’15 Q12] (36:08)
Practical Skills (Membranes), Graph Skills, Investigation [OCR P1 ’18 Q20] (14:14)
Practical Skills (Daphnia), Maths Skills, Data Analysis & Ethics [Edexcel P3 ’15 Q3] (34:53)
Practical Skills (Biological Drawing), Maths Skills (Volume of Spheres), Microscopes, Cell Division [OCR P2 ’18 Q16] (23:04)
Practical Skills (Development of an Animal), Maths Skills, Stats Skills [Edexcel P3 ’17 Q4] (33:48)
A: PRACTICAL SKILLS
Practical Skills (Respirometer) & Maths Skills [AQA P2 ’15 Q1] (20:00)
Practical Skills (Respirometer), Maths Skills, Investigation [OCR P1 ’18 Q22] (18:16)
Practical Skills (Respirometer), Maths Skills, Investigation {OCR P3 ’15 Q1] (52:55)
Maths, Practicals (Spirometer), Respiration, Control of Breathing, Diabetes [Edexcel P2 ’15 Q10] (41:07)
Cystic Fibrosis, Practical Skills (Spirometer), MCQ & Maths [Edexcel P2 ’17 Q3] (16:50)
Practical Skills (Potometer), Maths Skills, Control of Gene Expression & Graph Analysis [AQA P3 ’17 Q6] (42:11)
Photosynthesis, Practical Skills (DCPIP), Investigation [Edexcel P1 ’15 Q10] (19:40)
Photosynthesis & Practical Skills (DCPIP) [AQA P2 ’17 Q4] (24:33)
Practical Skills (Aseptic Technique), Gene Technology, Chromatography [OCR P2 ’15 Q19] (18:26)
Practical Skills (Chromatography), Gene Technology [OCR P3 ’17 Q1] (27:23)
AS: MATHS SKILLS
Transport & Maths Skills [AQA P1 ’15 Q5] (23:19)
Tangents [AQA P1 ’15 Q1] (23:48)
Gas Exchange, Diffusion, Maths Skills, Biological Drawing [AQA P1 ’17 Q9] (33:23)
Carbohydrates, Transport Across Membranes & Maths Skills [AQA P1 ’17 Q2] (21:03)
ATP, Proteins, Maths Skills & Evolution [AQA P1 ’17 Q5] (30:50)
Practical Skills (Respirometer) & Maths Skills [AQA P2 ’15 Q1] (20:00)
Photosynthesis, Maths Skills & Graph Skills [AQA P2 ’15 Q8] (17:44)
Kidney & Maths Skills [AQA P2 ’15 Q7] (23:36)
Maths Skills Hardy-Weinberg, Selection & Nerves [AQA P2 ’15 Q6] (20:19)
Maths Skill, Synapses & Inheritance [AQA P2 ’17 Q10] (36:31)
Gene Technology & Maths Skills [AQA P2 ’17 Q8] (25:17)
Inheritance & Maths Skills [AQA P2 ’17 Q7] (17:58)
Muscle Fibres, Respiration, Maths Skills & Graph Skills [AQA P1 ’17 Q3] (26:13)
Productivity, Graph Skills & Maths Skills [AQA P1 ’17 Q5] (26:11)
Practical Skills, Maths Skills, Control of Gene Expression, Graph Analysis [AQA P3 ’17 Q6] (42:11)
Nitrogen Cycle, Maths Skills & Graph Analysis [AQA P3 ’17 Q3] (19:36)
Prokaryotes, Maths Skills, Serial Dilutions & Graph Analysis [AQA P3 ’17 Q2] (31:23)
Heart ECG & Math Skills [OCR P1 ’15 Q16] (22:17)
Practicals, Maths, Plant Cloning [OCR P2 ’15 Q18] (32:09)
Classification, Maths, QWC, Homeobox Genes [OCR P2 ’15 Q19] (22:09)
Productivity, Maths, Conservation [OCR P2 ’15 Q21] (20:06)
Stats Skills, Maths Skills, Investigation {OCR P3 ’15 Q3] (73:14)
Maths Skills, Respiration, Proteins, Immunity [OCR P3 ’15 Q4] (31:24)
Investigation, Stats Skills, Graph Skills, Math Skills [OCR P1 ’17] (22:29)
Nitrogen Cycle, Enzymes, Productivity, Maths Skills [OCR P3 ’17 Q4] (38:22)
Proteins, Math Skills, Immunity, Respiration & Stats Skills [OCR P3 ’17 Q2] (53:59)
Photosynthesis, Maths Skills, Enzymes [Edexcel P1 ’15 Q1] (7:44)
MCQ, Maths Skills, Cells [Edexcel P1 ’15 Q2] (10:23)
Productivity, Graph Skills, Maths Skills [Edexcel P1 ’15 Q6] (22:10)
Maths Skills, Enzymes & Organelles [Edexcel P1 ’15 Q8] (14:44)
Maths, The Heart [Edexcel P2 ’15 Q3] (11:31)
Phytochrome, Practicles, Maths [Edexcel P2 ’15 Q5] (19:09)
Muscles, Maths [Edexcel P2 ’15 Q6] (18:57)
Maths, Habituation [Edexcel P2 ’15 Q7] (24:22)
Maths, Respiration, Control of Breathing, Diabetes [Edexcel P2 ’15 Q10] (41:07)
Blood Clotting, Maths Skills & CVD [Edexcel P1 ’17 Q6] (22:21)
Cystic Fibrosis, Practical Skills, MCQ, Maths [Edexcel P2 ’17 Q3] (16:50)
Practical Skills, Maths Skills, Stats Skills [Edexcel P3 ’17 Q4] (33:48)
Maths Skills, Membranes, Investigation, Proteins [Edexcel P3 ’17 Q6] (28:13)
Muscle Fibres, Respiration, Maths Skills & Graph Analysis [AQA P2 ’17 Q3] (26:13)
Productivity, Graph Skills & Maths Skills [AQA P2 ’17 Q5] (26:11)
Gene Technology & Maths Skills [AQA P2 ’17 Q8] (25:17)
Maths Skills, Synapses & Inheritance [AQA P2 ’17 Q10] (36:31)
Prokaryotes, Maths Skills, Serial Dilution & Graph Analysis [AQA P3 ’17 Q2] (31:23)
A: MATHS & STATS SKILLS
Biodiversity & Stats Skills (Index of Diversity) [AQA P1 ’15 Q3] (24:57)
Inheritance & Stats Skills (Chi-Squared) [AQA P2 ’15 Q3] (19:36)
Investigation (Yeast Respiration), Stats Skills Standard Deviation, Graph Skills, Maths Skills (Percentage Change) [OCR P1 ’17 Q20] (22:29)
Cell Division (Meiosis), Stats Skills (t-Test) & Selection Pressures [AQA P1 ’18 Q6] (27:57)
Stats Skills (t-Test), Maths Skills, Graph Skills, Investigation {OCR P3 ’15 Q3] (73:14)
Inheritance, Stats (Chi-Squared), QWC, Protein Synthesis [OCR P2 ’17 Q17] (41:45)
Classification, Inheritance, Stats (Chi-squared) [OCR P2 ’15 Q17] (25:13)
Stats Skills (Correlation Coefficient), Maths Skills (Volume), Protein Synthesis [AQA P3 ’18 Q2] (30:07)
Stats Skills (Correlation Coefficient), Enzymes [Edexcel P3 ’18 Q3] (68:00)
Practical Skills (Antimicrobials), Investigation, Stats Skills (t-Test), Maths Skills (Area) [Edexcel P1 ’15 Q12] (36:08)
AS: CARBOHYDRATES & LIPIDS
Carbohydrates – Starch vs Cellulose [AQA P1 ’15 Q4] (12:04)
Glycogen, Transport Across Membranes & Maths Skills [AQA P1 ’17 Q2] (21:03)
Carbohydrates, Transport Across Membranes, Practicals (Colorimeter) [OCR P2 ’17 Q20] (25:13)
Carbohydrates, Hardy Weinberg, Evolution & QWC [OCR P2 ’15 Q18] (40:09)
Carbohydrates [Edexcel P2 ’17 Q4] (16:53)
Transpiration & Polymers of Carbohydrates [OCR P1 ’18 Q18] (20:13)
Respiration (RQ), Polymers of Carbohydrates & Chemiosmosis [OCR P1 ’18 Q19] (24:21)
Maths Skills, Membranes, Investigation, Lipids & Proteins [Edexcel P3 ’17 Q6] (28:13)
Starch Digestion, Practical Skills [AQA P3 ’15 Q3] (22:40)
Mass Transport (Animals), Biological Molecules & Organelles [AQA P1 ’18 Q10] (24:20)
Lipids, Carbohydrates [Edexcel P3 ’18 Q6] (31:28)
Photosynthesis, Cell Membranes & Devise an Investigation [OCR P1 ’18 Q17] (23:23)
Membranes, Methods of Studying Cells, Control of Gene Expression [AQA P3 ’18 Q5] (17:11)
AS: PROTEINS & ENZYMES
Proteins, Maths Skills, Immunity, Respiration & Stats Skills [OCR P3 ’17 Q2] (53:59)
Proteins, Protein Synthesis, Mutations [Edexcel P1 ’18 Q4] (23:58)
Classification, Proteins, Selection, Investigation [Edexcel P1 ’18 Q8] (18:32)
Transcription, Protein Structure & Protein Digestion [AQA P1 ’15 Q11] (25:11)
Homeostasis, Proteins, Transport Across Membranes [AQA P3 ’18 Q1] (17:05)
Proteins, Mass Transport (Animals), Maths Skills, Practical Skills [AQA P3 ’18 Q4] (27:32)
Enzymes & Tangents [AQA P1 ’15 Q1] (23:48)
Enzymes, Graph Skills, Investigation, Maths Skills & CVD [Edexcel P3 ’15 Q4] (52:36)
Enzymes, Synapses, Serotonin, Practicals, Medical Trials [Edexcel P2 ’15 Q9] (26:29)
Maths Skills, Enzymes & Organelles [Edexcel P1 ’15 Q8] (14:44)
Enzymes, Maths Skills & Graph Skills [AQA P1 ’18 Q4] (23:14)
Nucleic Acids & Enzymes [AQA P1 ’15 Q8] (10:34)
DNA Replication & Enzymes [AQA P3 ’17 Q5] (19:04)
Nitrogen Cycle, Enzymes, Productivity, Maths Skills [OCR P3 ’17 Q4] (36:32)
Maths Skills, Enzymes, Carbon Cycle [Edexcel P1 ’18 Q2] (15:19)
Photosynthesis, Maths Skills, Enzymes [Edexcel P1 ’15 Q1] (7:44)
AS: NUCLEIC ACIDS & DNA REPLICATION
Nucleic Acids & Enzymes [AQA P1 ’15 Q8] (10:34)
Transport Across Membranes (Osmosis), Cystic Fibrosis & DNA [Edexcel P1 ’17 Q2] (20:24)
AS: ATP, WATER & INORGANIC IONS
Respiration, Data Analysis Water & Transport Across Membranes [OCR P1 ’17 Q18] (26:38)
ATP, Proteins, Maths Skills & Evolution [AQA P1 ’17 Q5] (30:50)
Muscles & ATP [AQA P2 ’15 Q2] (15:54)
Muscles & Calcium Ions [Edexcel P2 ’17 Q7] (16:25)
Muscles, Calcium Ions, Practical Skills, Graph Skills [Edexcel P3 ’18 Q5] (18:57)
AS: PROKARYOTES & EUKARYOTES
Organelles, Mass Transport (Plants) & Inheritance [OCR P3 ’18 Q1] (18:07)
Organelles & Protein Synthesis [AQA P1 ’17 Q1] (13:05)
Maths Skills, Enzymes & Organelles [Edexcel P1 ’15 Q8] (14:44)
Mass Transport (Animals), Biological Molecules & Organelles [AQA P1 ’18 Q10] (24:20)
Prokaryotes, Graph Analysis, Enzymes & Digestion [AQA P1 ’17 Q4] (25:25)
Prokaryotes, Maths Skills, Serial Dilution & Graph Analysis [AQA P3 ’17 Q2] (31:23)
Prokaryotes, DNA & Antibiotics [Edexcel P1 ’17 Q3] (22:16)
AS: METHODS OF STUDYING CELLS
Practical Skills, Microscopes, Organelles, Maths Skills [AQA P3 ’15 Q2] (15:44)
Microscopes, Meiosis & Devise an Investigation [AQA P1 ’17 Q10] (26:34)
Practical Skills, Microscopes, Organelles, Maths Skills [AQA P3 ’15 Q2] (15:44)
Biological Drawing, Maths Skills, Microscopes, Cell Division [OCR P2 ’18 Q16] (23:04)
Photosynthesis, Practical Skills (DCPIP), Investigation [Edexcel P1 ’15 Q10] (19:40)
Maths Skills, Liver Histology, Microscopes [OCR P1 ’17 Q17] (18:51)
AS: CELLS ARISE FROM OTHER CELLS
Mitosis & Meiosis & Practical Skills [AQA P1 ’15 Q10] (15:44)
Mitosis, Osmosis, Cells [AQA P1 ’18 Q1] (21:52)
Cell Division [Edexcel P2 ’17 Q10] (30:37)
Mitosis & Meiosis, Data Analysis, Stem Cells [Edexcel P1 ’18 Q5] (27:26)
Devise an Investigation, Practical Skills, Mitosis [Edexcel P3 ’18 Q4] (37:07)
AS: TRANSPORT ACROSS MEMBRANES
Facilitated Diffusion vs Active Transport & Maths Skills [AQA P1 ’15 Q5] (23:19)
Transport Across Membranes, Osmosis & Tissue Fluid [AQA P1 ’17 Q3] (23:48)
Facilitated Diffusion, Carbohydrates, Control of Gene Expression [Edexcel P2 ’18 Q1] (16:06)
Carbohydrates, Transport Across Membranes & Maths Skills [AQA P1 ’17 Q2] (21:03)
Cell Division, Osmosis, Cells [AQA P1 ’18 Q1] (21:52)
Investigation, Osmosis, Graph Skills & Maths Skills [AQA P1 ’18 Q2] (23:43)
Homeostasis, Proteins, Transport Across Membranes [AQA P3 ’18 Q1] (17:05)
Membranes, Methods of Studying Cells, Control of Gene Expression [AQA P3 ’18 Q5] (17:11)
AS: THE IMMUNE SYSTEM
Antigens Test & Proteins [AQA P1 ’15 Q7] (27:23)
Immunity (Autoimmune disease), Nerves & Muscles [OCR P3 ’17 Q5] (23:24)
Maths Skills, Respiration, Proteins, Immunity & Antibodies {OCR P3 ’15 Q4] (31:24)
Data Analysis & Immunity [AQA P3 ’15 Q4] (27:09)
Phagocytosis, Antibodies, Autoimmune disease & Proteins [AQA P1 ’17 Q7] (18:15)
Immunity, Primary vs Secondary Response, Evolution, Antibiotic Resistance [OCR P2 ’15 Q16] (31:01)
Immunity, Antigens, Primary vs Secondary Response & Maths Skills [AQA P1 ’18 Q7] (25:39)
Immunity, Primary vs Secondary Response [Edexcel P1 ’15 Q5] (13:29)
Immune System, Antibodies, Vaccination, Inheritance & Data Analysis [Edexcel P1 ’17 Q8] (30:57)
Data Analysis & Immunity [AQA P3 ’15 Q4] (27:09)
Non-specific Immune Response, Immunity, Organelles [Edexcel P1 ’18 Q3] (24:22)
AS: MASS TRANSPORT IN ANIMALS
Transport in Animals & Maths Skills [AQA P1 ’15 Q2] (19:25)
Mass Transport (Animals), Polymers of Carbohydrates {OCR P3 ’15 Q5] (30:02)
Mass Transport (Animals), Biological Molecules & Organelles [AQA P1 ’18 Q10] (24:20)
Heart ECG & Maths Skills [OCR P1 ’15 Q16] (22:17)
Maths Skills, The Heart [Edexcel P2 ’15 Q3] (11:31)
Cardiac Cycle & The Heart [Edexcel P2 ’17 Q2] (13:30)
Homeostasis, The Heart, Graph Analysis, Maths Skills [Edexcel P2 ’18 Q5] (27:33)
Investigation, The Heart, CVD, Cell Division [Edexcel P3 ’17 Q3] (24:04)
Control of Heart Rate, Nervous System & Respiration [AQA P2 ’17 Q1] (15:09)
Histology, Control of Heart Rate, Reflexes [OCR P1 ’18 Q23] (21:09)
Transcription, Protein Structure & Protein Digestion [AQA P1 ’15 Q11] (25:11)
Prokaryotes, Graph Analysis, Enzymes & Digestion [AQA P1 ’17 Q4] (25:25)
AS: MASS TRANSPORT IN PLANTS
Transpiration & Polymers of Carbohydrates [OCR P1 ’18 Q18] (20:13)
Mass Transport in Plants (Translocation) [AQA P1 ’15 Q9] (15:23)
Mass Transport Plants (Translocation) [OCR P1 ’15 Q19] (46:31)
Xylem and Phloem, Mass Transport (Plants), Investigation & Graph Skills [AQA P1 ’18 Q8] (40:34)
AS: GAS EXCHANGE
Gas Exchange, Diffusion, Maths Skills, Biological Drawing [AQA P1 ’17 Q9] (33:23)
Gas Exchange in Insects, Mass Transport (Animals) [OCR P3 ’17 Q7] (9:21)
Gas Exchange & Collagen [Edexcel P1 ’17 Q7] (11:48)
Homeostasis, Gas Exchange (Insects) & Biological Drawing [OCR P1 ’17 Q16] (16:05)
AS: DNA & PROTEIN SYNTHESIS
DNA Replication & Enzymes [AQA P3 ’17 Q5] (19:04)
Enzymes, DNA Replication & Investigation [AQA P1 ’18 Q9] (14:31)
Transcription, Protein Structure & Protein Digestion [AQA P1 ’15 Q11] (25:11)
Organelles & Protein Synthesis [AQA P1 ’17 Q1] (13:05)
Proteins, Protein Synthesis, Mutations [Edexcel P1 ’18 Q4] (23:58)
Biological Molecules, Protein Synthesis & Mutations [AQA P1 ’18 Q5] (23:23)
Mutations & Maths Skills [AQA P2 ’18 Q2] (16:45)
Protein Synthesis, Control of Gene Expression [Edexcel P1 ’15 Q9] (15:10)
Respiration, Inheritance & Protein Synthesis [AQA P2 ’15 Q10] (33:44)
Stats Skills, Maths Skills, Protein Synthesis [AQA P3 ’18 Q2] (30:07)
AS: GENETIC DIVERSITY, MUTATION & MEIOSIS
Meiosis, Stats Skills & Selection Pressures [AQA P1 ’18 Q6] (27:57)
Meiosis, DNA & Organelles [OCR P1 ’17 Q19] (7:55)
Microscopes, Meiosis & Devise an Investigation [AQA P1 ’17 Q10] (26:34)
Meiosis, Maths Skills, Organelles, Respiration [AQA P3 ’18 Q3] (24:08)
AS: ADAPTATION & TAXONOMY
Classification [AQA P1 ’15 Q6] (13:58)
Classification [AQA P1 ’17 Q8] (17:12)
Classification, Maths, QWC, Homeobox Genes [OCR P2 ’17 Q19] (30:23)
Classification, Inheritance, Stats Chi-squared [OCR P2 ’15 Q17] (25:13)
Classification, Index of Diversity, Sampling & Productivity [OCR P3 ’18 Q5] (19:45)
Classification, Proteins, Selection, Investigation [Edexcel P1 ’18 Q8] (18:32)
Adaptations, Maths Skills, Respiration (RQ), Practical Skills (Respirometer) [Edexcel P2 ’18 Q7] (20:29)
Maths Skills, Selection & Nerves [AQA P2 ’15 Q6] (20:19)
ATP, Proteins, Maths Skills & Evolution [AQA P1 ’17 Q5] (30:50)
Maths Skills, Graph Skills, Variation, Genetic Drift, Speciation [OCR P2 ’18 Q20] (42:07)
AS: BIODIVERSITY
Index of Diversity, Biodiversity & Stats Skills [AQA P1 ’15 Q3] (24:57)
Index of Diversity, Sampling & Data Analysis [AQA P3 ’17 Q4] (22:08)
Biodiversity, Investigation & Classification [AQA P1 ’18 Q3] (26:14)
Sampling, Investigation, Index of Diversity [Edexcel P1 ’15 Q11] (19:38)
Maths Skills, Climate Change, Biodiversity, Data Analysis [Edexcel P1 ’18 Q9] (21:12)
Classification, Index of Diversity, Sampling & Productivity [OCR P3 ’18 Q5] (19:45)
A: PHOTOSYNTHESIS
Photosynthesis, Maths Skills & Graph Skills [AQA P2 ’15 Q8] (17:44)
Photosynthesis, Enzymes & Maths Skills [OCR P1 ’15 Q18] (35:59)
Photosynthesis & Practical Skills [AQA P2 ’17 Q4] (24:33)
Photosynthesis, Maths Skills, Enzymes [Edexcel P1 ’15 Q1] (7:44)
Photosynthesis [Edexcel P1 ’17 Q4] (13:51)
Photosynthesis, Cell Membranes & Devise an Investigation [OCR P1 ’18 Q17] (23:23)
Maths Skills, Photosynthesis, Investigation [Edexcel P1 ’18 Q10] (24:40)
Mass Transport (Plants), Maths Skills, Microscopes, Photosynthesis {OCR P3 ’15 Q2] (25:25)
Photosynthesis, Practical Skills (DCPIP), Investigation [Edexcel P1 ’15 Q10] (19:40)
Devise an Investigation, Sampling, Photosynthesis [Edexcel P3 ’17 Q5] (42:10)
Photosynthesis & Investigation [AQA P2 ’18 Q1] (22:56)
A: RESPIRATION
Respiration, Inheritance & Protein Synthesis [AQA P2 ’15 Q10] (33:44)
Respiration, Data Analysis Water & Transport Across Membranes [OCR P1 ’17 Q18] (26:38)
Respiration, Biological Molecules & Maths Skills [OCR P3 ’18 Q2] (23:18)
Muscles & Respiration [Edexcel P2 ’17 Q6] (20:44)
Respiration [Edexcel P2 ’15 Q4] (19:48)
Adaptations, Maths Skills, Respiration (RQ), Practical Skills (Respirometer) [Edexcel P2 ’18 Q7] (20:29)
Respiration (RQ), Polymers of Carbohydrates & Chemiosmosis [OCR P1 ’18 Q19] (24:21)
Muscle Fibres, Respiration, Maths Skills & Graph Analysis [AQA P2 ’17 Q3] (26:13)
Maths, Practicals (Spirometer), Respiration, Control of Breathing, Diabetes [Edexcel P2 ’15 Q10] (41:07)
Practical Skills (Respirometer) & Maths Skills [AQA P2 ’15 Q1] (20:00)
Hormones, cAMP & Anaerobic Respiration [OCR P1 ’15 Q20] (30:28)
Practical Skills, Maths Skills & Respiration [AQA P2 ’18 Q3] (28:28)
A: ENERGY & ECOSYSTEMS
Mycorrhiza & Data Analysis [AQA P3 ’15 Q5] (35:03)
Nitrogen Cycle, Maths Skills & Graph Analysis [AQA P3 ’17 Q3] (19:36)
Nitrogen Cycle, Enzymes, Productivity, Maths Skills [OCR P3 ’17 Q4] (36:32)
Productivity, Maths, Conservation, Nitrogen Cycle [OCR P2 ’15 Q21] (20:06)
Productivity, Graph Skills & Maths Skills [AQA P2 ’17 Q5] (26:11)
Productivity, Succession, Graph Skills, Maths Skills [Edexcel P1 ’15 Q6] (22:10)
Sampling, Succession & Productivity [AQA P2 ’18 Q4] (22:56)
A: STIMULI & RESPONSE
Receptors, Hardy-Weinberg, Inheritance & Stem Cells [AQA P2 ’18 Q10] (33:42)
Receptors & Nerves [AQA P2 ’15 Q4] (18:31)
Nerves, Control of Heart Rate [OCR P1 ’18 Q21] (19:37)
A: NERVOUS COORDINATION
Nerves & Synapses [AQA P2 ’18 Q7] (12:37)
Synapses, Muscles & Organelles [AQA P3 ’17 Q1] (18:33)
Maths Skill, Synapses & Inheritance [AQA P2 ’17 Q10] (36:31)
Synapses, Depression, MDMA [Edexcel P2 ’17 Q1] (15:42)
Neurones, Maths Skills, Muscles [Edexcel P2 ’18 Q8] (36:35)
Nerves [Edexcel P2 ’15 Q1] (8:54)
A: MUSCLES
Muscles & ATP [AQA P2 ’15 Q2] (15:54)
Muscle Fibres, Respiration, Maths Skills & Graph Analysis [AQA P2 ’17 Q3] (26:13)
Muscles & Calcium Ions [Edexcel P2 ’17 Q7] (16:25)
Muscles, Maths [Edexcel P2 ’15 Q6] (18:57)
Muscles, Calcium Ions, Practical Skills, Graph Skills [Edexcel P3 ’18 Q5] (18:57)
Muscles [Edexcel P2 ’15 Q8] (22:20)
Synapses, Muscles & Organelles [AQA P3 ’17 Q1] (18:33)
Immunity, Muscles [Edexcel P2 ’18 Q3] (20:45)
Neurones, Maths Skills, Muscles [Edexcel P2 ’18 Q8] (36:35)
A: HOMEOSTASIS
Hormones, cAMP & Anaerobic Respiration [OCR P1 ’15 Q20] (30:28)
Kidney & Maths Skills [AQA P2 ’15 Q7] (23:36)
Osmosis, Stats Skills, Investigation, Kidney & Maths Skills [AQA P2 ’18 Q5] (23:20)
Diabetes, Control of Gene Expression & Stem Cells [AQA P2 ’17 Q6] (20:22)
Diabetes, Muscles, Graph Skills [OCR P1 ’18 Q16] (23:47)
Histology, Control of Heart Rate, Reflexes [OCR P1 ’18 Q23] (21:09)
Homeostasis, Proteins, Transport Across Membranes [AQA P3 ’18 Q1] (17:05)
Kidney & Tissue Fluid [OCR P3 ’18 Q6] (23:51)
Homeostasis, The Heart, Graph Analysis, Maths Skills [Edexcel P2 ’18 Q5] (27:33)
Kidney, Cell Division & Stem Cells [OCR P1 ’17 Q22] (24:50)
A: INHERITANCE
Inheritance & Stats Skills [AQA P2 ’15 Q3] (19:36)
Epigenetics & Graph Skills [AQA P2 ’15 Q9] (15:10)
Inheritance & Maths Skills [AQA P2 ’17 Q7] (17:58)
Inheritance, Stats Chi-Squared, QWC, Protein Synthesis [OCR P2 ’17 Q17] (41:45)
Inheritance, Immunity, Maths Skills & Gene Technology [OCR P3 ’18 Q4] (51:11)
Inheritance & Sex Linkage [Edexcel P2 ’17 Q5] (22:13)
Respiration, Inheritance & Protein Synthesis [AQA P2 ’15 Q10] (33:44)
Maths Skill, Synapses & Inheritance [AQA P2 ’17 Q10] (36:31)
Classification, Inheritance, Stats Chi-squared [OCR P2 ’15 Q17] (25:13)
Organelles, Mass Transport (Plants) & Inheritance [OCR P3 ’18 Q1] (18:07)
Immune System, Inheritance & Data Analysis [Edexcel P1 ’17 Q8] (30:57)
Inheritance [AQA P2 ’18 Q6] (24:03)
A: POPULATIONS & EVOLUTION
Speciation [AQA P2 ’17 Q9] (10:49)
Speciation [Edexcel P1 ’15 Q3] (8:22)
Selection, Inheritance & Mutations [AQA P2 ’18 Q9] (17:00)
Adaptation, Inheritance, Hardy-Weinberg [OCR P3 ’17 Q3] (21:23)
Variation, Speciation & Hardy-Weinberg [Edexcel P1 ’17 Q10] (26:39)
Successions, Practicals, Nitrogen Cycle [OCR P2 ’15 Q22] (9:25)
Sampling [AQA P3 ’15 Q1] (22:49)
Sampling & Graph Analysis [AQA P2 ’17 Q2] (23:26)
Sampling, Conservation [OCR P2 ’17 Q16] (21:53)
Populations, Maths Skills, Graph Skills [OCR P2 ’18 Q17] (27:19)
Selection Pressures [OCR P2 ’18 Q18] (10:57)
Index of Diversity, Sampling & Data Analysis [AQA P3 ’17 Q4] (22:08)
Immunity, Evolution, Antibiotic Resistance [OCR P2 ’15 Q16] (31:01)
Maths Skills, Graph Skills, Variation, Genetic Drift, Speciation [OCR P2 ’18 Q20] (42:07)
Carbohydrates, Hardy Weinberg, Evolution & QWC [OCR P2 ’15 Q18] (40:09)
Sampling, Investigation, Index of Diversity [Edexcel P1 ’15 Q11] (19:38)
A: CONTROL OF GENE EXPRESSION
Diabetes, Control of Gene Expression & Stem Cells [AQA P2 ’17 Q6] (20:22)
Protein Synthesis, Control of Gene Expression [Edexcel P1 ’15 Q9] (15:10)
Mutations, Gene Technology [Edexcel P2 ’18 Q10] (25:11)
Membranes, Methods of Studying Cells, Control of Gene Expression [AQA P3 ’18 Q5] (17:11)
Practical Skills, Maths Skills, Control of Gene Expression & Graph Analysis [AQA P3 ’17 Q6] (42:11)
Transport Across Membranes, Carbohydrates, Control of Gene Expression [Edexcel P2 ’18 Q1] (16:06)
A: GENE TECHNOLOGY
Gene Technology [AQA P2 ’15 Q5] (13:43)
Gene Technology & Maths Skills [AQA P2 ’17 Q8] (25:17)
Gene Technology [OCR P2 ’17 Q21] (18:21)
Gene Technology (Electrophoresis) & Investigation [Edexcel P1 ’15 Q7] (17:00)
Gene Technology, Practicals,, QWC, Plant cloning [OCR P2 ’15 Q20] (29:25)
Maths Skills, Gene Technology (Sequencing), Bioinformatics [OCR P2 ’18 Q21] (24:52)
Gene Technology, Maths Skills [Edexcel P3 ’18 Q1] (21:18)
Practical Skills (Chromatography), Gene Technology [OCR P3 ’17 Q1] (27:23)
Gene Technology, Proteins & Enzymes [AQA P2 ’18 Q8] (18:20)
AS: PRACTICAL SKILLS
Investigation, Osmosis, Graph Skills & Maths Skills [AQA P1 ’18 Q2] (23:43)
Practical Skills (Potometer), Maths Skills, Control of Gene Expression & Graph Analysis [AQA P3 ’17 Q6] (42:11)
Practical Skills, Microscopes, Organelles, Maths Skills [AQA P3 ’15 Q2] (15:44)
Cystic Fibrosis, Practical Skills (Spirometer), MCQ & Maths [Edexcel P2 ’17 Q3] (16:50)
Maths, Practicals (Spirometer), Respiration, Control of Breathing, Diabetes [Edexcel P2 ’15 Q10] (41:07)
Practical Skills (Respirometer) & Maths Skills [AQA P2 ’15 Q1] (20:00)
Practical Skills (Respirometer), Maths Skills, Investigation {OCR P3 ’15 Q1] (52:55)
Practical Skills (Respirometer), Maths Skills, Investigation [OCR P1 ’18 Q22] (18:16)
Photosynthesis, Practical Skills (DCPIP), Investigation [Edexcel P1 ’15 Q10] (19:40)
Photosynthesis & Practical Skills (DCPIP) [AQA P2 ’17 Q4] (24:33)
Practical Skills, Investigation, Stats Skills, t-Test [Edexcel P1 ’15 Q12] (36:08)
Practical Skills (Membranes), Graph Skills, Investigation [OCR P1 ’18 Q20] (14:14)
Practical Skills (Daphnia), Maths Skills, Data Analysis & Ethics [Edexcel P3 ’15 Q3] (34:53)
Practical Skills (Chromatography), Gene Technology [OCR P3 ’17 Q1] (27:23)
Homeostasis, Mass Transport (Animals) & Practical Skills (Biological Drawing) [OCR P1 ’17 Q16] (16:05)
Practical Skills (Biological Drawing), Maths Skills (Volume of Spheres), Microscopes, Cell Division [OCR P2 ’18 Q16] (23:04)
Gas Exchange, Diffusion, Maths Skills (Means & Percentage Error), Biological Drawing [AQA P1 ’17 Q9] (33:23)
Practical Skills (Aseptic Technique), Gene Technology, Chromatography [OCR P2 ’15 Q19] (18:26)
Practical Skills (Development of an Animal), Maths Skills, Stats Skills [Edexcel P3 ’17 Q4] (33:48)
Investigation, Graph Skills, Practical Skills (Habituation) [Edexcel P3 ’17 Q2] Rich (25:32)
Microbiology, Practical Skills, Data Analysis [OCR P2 ’18 Q19] (38:46)
Practicals, Maths Skills, Plant Cloning [OCR P2 ’17 Q18] (26:20)
AS: MATHS SKILLS
Transport & Maths Skills [AQA P1 ’15 Q5] (23:19)
Tangents [AQA P1 ’15 Q1] (23:48)
Gas Exchange, Diffusion, Maths Skills, Biological Drawing [AQA P1 ’17 Q9] (33:23)
Carbohydrates, Transport Across Membranes & Maths Skills [AQA P1 ’17 Q2] (21:03)
ATP, Proteins, Maths Skills & Evolution [AQA P1 ’17 Q5] (30:50)
Practical Skills (Respirometer) & Maths Skills [AQA P2 ’15 Q1] (20:00)
Photosynthesis, Maths Skills & Graph Skills [AQA P2 ’15 Q8] (17:44)
Kidney & Maths Skills [AQA P2 ’15 Q7] (23:36)
Maths Skills Hardy-Weinberg, Selection & Nerves [AQA P2 ’15 Q6] (20:19)
Maths Skill, Synapses & Inheritance [AQA P2 ’17 Q10] (36:31)
Gene Technology & Maths Skills [AQA P1 ’17 Q8] (25:17)
Inheritance & Maths Skills [AQA P1 ’17 Q7] (17:58)
Muscle Fibres, Respiration, Maths Skills & Graph Skills [AQA P1 ’17 Q3] (26:13)
Productivity, Graph Skills & Maths Skills [AQA P1 ’17 Q5] (26:11)
Practical Skills, Maths Skills, Control of Gene Expression, Graph Analysis [AQA P3 ’17 Q6] (42:11)
Nitrogen Cycle, Maths Skills & Graph Analysis [AQA P3 ’17 Q3] (19:36)
Prokaryotes, Maths Skills, Serial Dilutions & Graph Analysis [AQA P3 ’17 Q2] (31:23)
Heart ECG & Math Skills [OCR P1 ’15] (22:17)
Productivity, Maths, Conservation [OCR P2 ’15] (20:06)
Stats Skills, Maths Skills, Investigation {OCR P3 ’15 Q3] (73:14)
Maths Skills, Respiration, Proteins, Immunity [OCR P3 ’15] (31:24)
Investigation, Stats Skills, Graph Skills, Math Skills [OCR P1 ’17] (22:29)
Classification, Maths, QWC, Homeobox Genes [OCR P2 ’17 Q19] (30:23)
Nitrogen Cycle, Enzymes, Productivity, Maths Skills [OCR P3 ’17 Q4] (36:32)
Practicals, Maths, Plant Cloning [OCR P2 ’17 Q18] (26:20)
Proteins, Math Skills, Immunity, Respiration & Stats Skills [OCR P3 ’17 Q2] (53:59)
AS: CELL STRUCTURE 2.1.1
Organelles, Mass Transport (Plants) & Inheritance [OCR P3 ’18 Q1] (18:07)
Organelles & Protein Synthesis [AQA P1 ’17 Q1] (13:05)
Maths Skills, Enzymes & Organelles [Edexcel P1 ’15 Q8] (14:44)
Practical Skills, Microscopes, Organelles, Maths Skills [AQA P3 ’15 Q2] (15:44)
Mass Transport (Animals), Biological Molecules & Organelles [AQA P1 ’18 Q10] (24:20)
Prokaryotes, Graph Analysis, Enzymes & Digestion [AQA P1 ’17 Q4] (25:25)
Prokaryotes, Maths Skills, Serial Dilution & Graph Analysis [AQA P3 ’17 Q2] (31:23)
Prokaryotes, DNA & Antibiotics [Edexcel P1 ’17 Q3] (22:16)
Data Analysis, Cells [Edexcel P1 ’18 Q7] (23:49)
AS: CARBOHYDRATES & LIPIDS
Carbohydrates, Hardy Weinberg, Evolution & QWC [OCR P2 ’15 Q18] (40:09)
Carbohydrates, Transport Across Membranes, Practicals (Colorimeter) [OCR P2 ’17 Q20] (25:13)
Carbohydrates – Starch vs Cellulose [AQA P1 ’15 Q4] (12:04)
Glycogen, Transport Across Membranes & Maths Skills [AQA P1 ’17 Q2] (21:03)
Carbohydrates [Edexcel P2 ’17 Q4] (16:53)
Transpiration & Polymers of Carbohydrates [OCR P1 ’18 Q18] (20:13)
Respiration (RQ), Polymers of Carbohydrates & Chemiosmosis [OCR P1 ’18 Q19] (24:21)
Maths Skills, Membranes, Investigation, Lipids & Proteins [Edexcel P3 ’17 Q6] (28:13)
Starch Digestion, Practical Skills [AQA P3 ’15 Q3] (22:40)
Mass Transport (Animals), Biological Molecules & Organelles [AQA P1 ’18 Q10] (24:20)
Lipids, Conservation, Microbiology [OCR P2 ’18 Q22] (21:47)
Lipids, Carbohydrates [Edexcel P3 ’18 Q6] (31:28)
Photosynthesis, Cell Membranes & Devise an Investigation [OCR P1 ’18 Q17] (23:23)
Membranes, Methods of Studying Cells, Control of Gene Expression [AQA P3 ’18 Q5] (17:11)
AS: NUCLEIC ACIDS, ATP, WATER & INORGANIC IONS
Nucleic Acids & Enzymes [AQA P1 ’15 Q8] (10:34)
Transport Across Membranes (Osmosis), Cystic Fibrosis & DNA [Edexcel P1 ’17 Q2] (20:24)
Respiration, Data Analysis Water & Transport Across Membranes [OCR P1 ’17 Q18] (26:38)
ATP, Proteins, Maths Skills & Evolution [AQA P1 ’17 Q5] (30:50)
Muscles & ATP [AQA P2 ’15 Q2] (15:54)
Muscles & Calcium Ions [Edexcel P2 ’17 Q7] (9:03)
Muscles, Calcium Ions, Practical Skills, Graph Skills [Edexcel P3 ’18 Q5] (18:57)
AS: ENZYMES 2.1.4
Proteins, Maths Skills, Immunity, Respiration & Stats Skills [OCR P3 ’17 Q2] (53:59)
Proteins, Protein Synthesis, Mutations [Edexcel P1 ’18 Q4] (23:58)
Classification, Proteins, Selection, Investigation [Edexcel P1 ’18 Q8] (18:32)
Transcription, Protein Structure & Protein Digestion [AQA P1 ’15 Q11] (25:11)
Homeostasis, Proteins, Transport Across Membranes [AQA P3 ’18 Q1] (17:05)
Proteins, Mass Transport (Animals), Maths Skills, Practical Skills [AQA P3 ’18 Q4] (27:32)
Enzymes & Tangents [AQA P1 ’15 Q1] (23:48)
Enzymes, Graph Skills, Investigation, Maths Skills & CVD [Edexcel P3 ’15 Q4] (52:36)
Enzymes, Synapses, Serotonin, Practicals, Medical Trials [Edexcel P2 ’15 Q9] (26:29)
Maths Skills, Enzymes & Organelles [Edexcel P1 ’15 Q8] (14:44)
Enzymes, Maths Skills & Graph Skills [AQA P1 ’18 Q4] (23:14)
Nucleic Acids & Enzymes [AQA P1 ’15 Q8] (10:34)
DNA Replication & Enzymes [AQA P3 ’17 Q5] (19:04)
Nitrogen Cycle, Enzymes, Productivity, Maths Skills [OCR P3 ’17 Q4] (36:32)
Maths Skills, Enzymes, Carbon Cycle [Edexcel P1 ’18 Q2] (15:19)
Photosynthesis, Maths Skills, Enzymes [Edexcel P1 ’15 Q1] (7:44)
AS: BIOLOGICAL MEMBRANES 2.1.5
Facilitated Diffusion vs Active Transport & Maths Skills [AQA P1 ’15 Q5] (23:19)
Transport Across Membranes, Osmosis & Tissue Fluid [AQA P1 ’17 Q3] (23:48)
Facilitated Diffusion, Carbohydrates, Control of Gene Expression [Edexcel P2 ’18 Q1] (16:06)
Carbohydrates, Transport Across Membranes & Maths Skills [AQA P1 ’17 Q2] (21:03)
Cell Division, Osmosis, Cells [AQA P1 ’18 Q1] (21:52)
Investigation, Osmosis, Graph Skills & Maths Skills [AQA P1 ’18 Q2] (23:43)
Homeostasis, Proteins, Transport Across Membranes [AQA P3 ’18 Q1] (17:05)
Membranes, Methods of Studying Cells, Control of Gene Expression [AQA P3 ’18 Q5] (17:11)
AS: METHODS OF STUDYING CELLS
Maths Skills, Liver Histology, Microscopes [OCR P1 ’17 Q17] (18:51)
Microscopes, Meiosis & Devise an Investigation [AQA P1 ’17 Q10] (26:34)
Practical Skills, Microscopes, Organelles, Maths Skills [AQA P3 ’15 Q2] (15:44)
Biological Drawing, Maths Skills, Microscopes, Cell Division [OCR P2 ’18 Q16] (23:04)
Photosynthesis, Practical Skills (DCPIP), Investigation [Edexcel P1 ’15 Q10] (19:40)
AS: CELL DIVISION & ORGANISATION 2.1.6
Microscopes, Meiosis & Devise an Investigation [AQA P1 ’17 Q10] (26:34)
Meiosis, Maths Skills, Organelles, Respiration [AQA P3 ’18 Q3] (24:08)
Mitosis & Meiosis & Practical Skills [AQA P1 ’15 Q10] (15:44)
Mitosis, Osmosis, Cells [AQA P1 ’18 Q1] (21:52)
Meiosis, DNA & Organelles [OCR P1 ’17 Q19] (11:41)
Cell Division [Edexcel P2 ’17 Q10] (30:37)
Mitosis & Meiosis, Data Analysis, Stem Cells [Edexcel P1 ’18 Q5] (27:26)
Meiosis, Stats Skills & Selection Pressures [AQA P1 ’18 Q6] (27:57)
Devise an Investigation, Practical Skills, Mitosis [Edexcel P3 ’18 Q4 (37:07)
AS: DNA & PROTEIN SYNTHESIS
DNA Replication & Enzymes [AQA P3 ’17 Q5] (19:04)
Enzymes, DNA Replication & Investigation [AQA P1 ’18 Q9] (14:31)
Transcription, Protein Structure & Protein Digestion [AQA P1 ’15 Q11] (25:11)
Organelles & Protein Synthesis [AQA P1 ’17 Q1] (13:05)
Proteins, Protein Synthesis, Mutations [Edexcel P1 ’18 Q4] (23:58)
Biological Molecules, Protein Synthesis & Mutations [AQA P1 ’18 Q5] (23:23)
Mutations & Maths Skills [AQA P2 ’18 Q2] (16:45)
Protein Synthesis, Control of Gene Expression [Edexcel P1 ’15 Q9] (15:10)
Respiration, Inheritance & Protein Synthesis [AQA P2 ’15 Q10] (33:44)
Stats Skills, Maths Skills, Protein Synthesis [AQA P3 ’18 Q2] (30:07)
AS: TRANSPORT IN ANIMALS 3.1.2
Gas Exchange, Diffusion, Maths Skills, Biological Drawing [AQA P1 ’17 Q9] (33:23)
Gas Exchange & Collagen [Edexcel P1 ’17 Q7] (11:48)
Gas Exchange in Insects, Mass Transport (Animals) [OCR P3 ’17 Q7] (9:21)
Homeostasis, Gas Exchange (Insects) & Biological Drawing [OCR P1 ’17 Q16] (16:05)
Mass Transport (Animals), Polymers of Carbohydrates {OCR P3 ’15 Q5] (30:02)
Transport in Animals & Maths Skills [AQA P1 ’15 Q2] (19:25)
Mass Transport (Animals), Biological Molecules & Organelles [AQA P1 ’18 Q10] (24:20)
Maths, The Heart [Edexcel P2 ’15 Q3 ] (11:31)
Cardiac Cycle & The Heart [Edexcel P2 ’17 Q2] (13:30)
Heart ECG & Maths Skills [OCR P1 ’15 Q16] (22:17)
Homeostasis, The Heart, Graph Analysis, Maths Skills [Edexcel P2 ’18 Q5] (27:33)
Investigation, The Heart, CVD, Cell Division [Edexcel P3 ’17 Q3] (24:04)
Control of Heart Rate, Nervous System & Respiration [AQA P2 ’17 Q1] (15:09)
Histology, Control of Heart Rate, Reflexes [OCR P1 ’18 Q23] (21:09)
Transcription, Protein Structure & Protein Digestion [AQA P1 ’15 Q11] (25:11)
AS: TRANSPORT IN PLANTS 3.1.3
Transpiration & Polymers of Carbohydrates [OCR P1 ’18 Q18] (20:13)
Mass Transport in Plants (Translocation) [AQA P1 ’15 Q9] (15:23)
Mass Transport Plants (Translocation) [OCR P1 ’15 Q19] (46:31)
Xylem and Phloem, Mass Transport (Plants), Investigation & Graph Skills [AQA P1 ’18 Q8] (40:34)
Organelles, Mass Transport (Plants) & Inheritance [OCR P3 ’18 Q1] (18:07)
Xylem and PhloemMass Transport (Plants), Maths Skills, Microscopes, Photosynthesis {OCR P3 ’15 Q2] (25:25)
AS: THE IMMUNE SYSTEM 4.1.1
Antigens Test & Proteins [AQA P1 ’15 Q7] (27:23)
Data Analysis & Immunity [AQA P3 ’15 Q4] (27:09)
Immunity (Autoimmune disease), Nerves & Muscles [OCR P3 ’17 Q5] (23:24)
Phagocytosis, Antibodies, Autoimmune disease & Proteins [AQA P1 ’17 Q7] (18:15)
Maths Skills, Respiration, Proteins, Immunity & Antibodies {OCR P3 ’15 Q4] (31:24)
Data Analysis & Immunity [AQA P3 ’15 Q4] (27:09)
Immunity, Antigens, Primary vs Secondary Response & Maths Skills [AQA P1 ’18 Q7] (25:39)
Immunity, Primary vs Secondary Response, Evolution, Antibiotic Resistance [OCR P2 ’15 Q16] (31:01)
Immunity, Primary vs Secondary Response [Edexcel P1 ’15 Q5] (13:29)
Immune System, Antibodies, Vaccination, Inheritance & Data Analysis [Edexcel P1 ’17 Q8] (30:57)
Blood Clotting, Maths Skills & CVD [Edexcel P1 ’17 Q6] (22:21)
Non-specific Immune Response, Muscles [Edexcel P2 ’18 Q3] (20:45)
Non-specific Immune Response, Immunity, Organelles [Edexcel P1 ’18 Q3] (24:22)
AS: BIODIVERSITY 4.2.1
Index of Diversity, Biodiversity & Stats Skills [AQA P1 ’15 Q3] (24:57)
Index of Diversity, Sampling & Data Analysis [AQA P3 ’17 Q4] (22:08)
Biodiversity, Investigation & Classification [AQA P1 ’18 Q3] (26:14)
Sampling, Investigation, Index of Diversity [Edexcel P1 ’15 Q11] (19:38)
Maths Skills, Climate Change, Biodiversity, Data Analysis [Edexcel P1 ’18 Q9] (21:12)
Classification, Index of Diversity, Sampling & Productivity [OCR P3 ’18 Q5] (19:45)
AS: ADAPTATION AND TAXONOMY
Classification, Maths, QWC, Homeobox Genes [OCR P2 ’17 Q19] (30:23)
Classification [AQA P1 ’15 Q6] (13:58)
Classification [AQA P1 ’17 Q8] (17:12)
Classification, Inheritance, Stats Chi-squared [OCR P2 ’15 Q17] (25:13)
Classification, Index of Diversity, Sampling & Productivity [OCR P3 ’18 Q5] (19:45)
Classification, Proteins, Selection, Investigation [Edexcel P1 ’18 Q8] (18:32)
Adaptations, Maths Skills, Respiration (RQ), Practical Skills (Respirometer) [Edexcel P2 ’18 Q7] (20:29)
Maths Skills, Selection & Nerves [AQA P2 ’15 Q6] (20:19)
ATP, Proteins, Maths Skills & Evolution [AQA P1 ’17 Q5] (30:50)
Maths Skills, Graph Skills, Variation, Genetic Drift, Speciation [OCR P2 ’18 Q20] (42:07)
AS: MULTIPLE CHOICE QUESTIONS
Multiple Choice Questions [OCR P1 ’18 Q1-15] (48:50)
Multiple Choice Questions [OCR P1 ’17 Q1-15] (39:15)
Multiple Choice Questions [OCR P1 ’15 Q1-15] (33:47)
Multiple Choice Questions [OCR P2 ’18 Q1-15] (36:00)
Multiple Choice Questions [OCR P2 ’17 Q1-15] (36:33)
Multiple Choice Questions [OCR P2 ’15 Q1-15] (33:12)
Multiple Choice Questions, Maths Skills, Cells [Edexcel P1 ’15 Q2] (10:23)
AS: EXTENDED RESPONSE QUESTIONS
Liver, QWC & Transport Across Membranes [OCR P1 ’15 Q17] (30:54)
Investigation Evaluation & QWC [OCR P1 ’17 Q21] (21:30)
Respiration, Data Analysis Water & Transport Across Membranes [OCR P1 ’17 Q18] (26:38)
Photosynthesis & Cell Membranes [OCR P1 ’18 Q17] (23:23)
QWC Transpiration [OCR P1 ’18 Q18] (20:13)
QWC Chemiosmosis [OCR P1 ’18 Q19] (24:21)
QWC Natural Selection [OCR P2 ’15 Q18] (40:09)
QWC Improve an Investigation [OCR P2 ’15 Q20] (29:25)
QWC Protein Synthesis [OCR P2 ’17 Q17] (41:45)
QWC Classification [OCR P2 ’17 Q19] (30:23)
QWC Selection Pressures [OCR P2 ’18 Q18] (10:57)
QWC Microbiology [OCR P2 ’18 Q19] (38:46)
QWC Respiration {OCR P3 ’15 Q1] (52:55)
QWC Immunity {OCR P3 ’15 Q4] (31:24)
Investigation Method & Data Presentation [OCR P3 ’17 Q6] (18:13)
QWC Improve an Investigation [OCR P3 ’18 Q3] (33:20)
QWC Ultrafiltration vs Tissue Fluid Formation [OCR P3 ’18 Q5] (19:45)
QWC Ecology [Edexcel P1 ’15 Q11] (19:38)
QWC Vaccination [Edexcel P1 ’15 Q5] (13:29)
QWC Antibiotics [Edexcel P1 ’18 Q6] (35:04)
Maths Skills, Photosynthesis, Investigation [Edexcel P1 ’18 Q10] (24:40)
QWC Respiration [Edexcel P2 ’15 Q4] (19:48)
QWC Investigation [Edexcel P2 ’17 Q8]
QWC Devise an Investigation [Edexcel P2 ’18 Q9] (24:33)
QWC Evaluate an Investigation [Edexcel P3 ’15 Q5] (32:25)
QWC Lipids and Proteins in Cell Membranes [Edexcel P3 ’17 Q6] (28:13)
QWC Carbohydrates in Plants and Animals [Edexcel P3 ’18 Q6] (31:28)
A: PRACTICAL & STATISTICS SKILLS
Investigation (Yeast Respiration), Stats Skills Standard Deviation, Graph Skills, Maths Skills (Percentage Change) [OCR P1 ’17 Q20] (22:29)
Cell Division (Meiosis), Stats Skills (t-Test) & Selection Pressures [AQA P1 ’18 Q6] (27:57)
Stats Skills (t-Test), Maths Skills, Graph Skills, Investigation {OCR P3 ’15 Q3] (73:14)
Inheritance, Stats (Chi-Squared), QWC, Protein Synthesis [OCR P2 ’17 Q17] (41:45)
Stats Skills (Chi-squared) & Practical Skills (Taxes & Kineses) [Edexcel P3 ’15 Q2] (32:35)
Classification, Inheritance, Stats (Chi-squared) [OCR P2 ’15 Q17] (25:13)
Stats Skills (Correlation Coefficient), Maths Skills (Volume), Protein Synthesis [AQA P3 ’18 Q2] (30:07)
Stats Skills (Correlation Coefficient), Enzymes [Edexcel P3 ’18 Q3] (30:16)
Practical Skills (Antimicrobials), Investigation, Stats Skills (t-Test), Maths Skills (Area) [Edexcel P1 ’15 Q12] (36:08)
Biodiversity & Stats Skills (Index of Diversity) [AQA P1 ’15 Q3] (24:57)
Inheritance & Stats Skills (Chi-Squared) [AQA P2 ’15 Q3] (19:36)
Proteins, Maths Skills (Volume), Immunity, Respiration & Stats Skills (t-Test) [OCR P3 ’17 Q2] (53:59)
Practical Skills (Development of an Animal), Maths Skills, Stats Skills (t-test) [Edexcel P3 ’17 Q4] (33:48)
A: COMMUNICATION & HOMEOSTASIS 5.1.1
Hormones, cAMP & Anaerobic Respiration [OCR P1 ’15 Q20] (30:28)
Kidney & Maths Skills [AQA P2 ’15 Q7] (23:36)
Osmosis, Stats Skills, Investigation, Kidney & Maths Skills [AQA P2 ’18 Q5] (23:20)
Diabetes, Control of Gene Expression & Stem Cells [AQA P2 ’17 Q6] (20:22)
Diabetes, Muscles, Graph Skills [OCR P1 ’18 Q16] (23:47)
Histology, Control of Heart Rate, Reflexes [OCR P1 ’18 Q23] (21:09)
Homeostasis, Proteins, Transport Across Membranes [AQA P3 ’18 Q1] (17:05)
Liver, QWC & Transport Across Membranes [OCR P1 ’15 Q17] (30:54)
Kidney, Cell Division & Stem Cells [OCR P1 ’17 Q22] (24:50)
Kidney & Tissue Fluid [OCR P3 ’18 Q6] (23:51)
Homeostasis, The Heart, Graph Analysis, Maths Skills [Edexcel P2 ’18 Q5] (27:33)
A: NEURONAL COMMUNICATION 5.1.3
Receptors & Nerves [AQA P2 ’15 Q4] (18:31)
Receptors, Hardy-Weinberg, Inheritance & Stem Cells [AQA P2 ’18 Q10] (33:42)
Synapses, Muscles & Organelles [AQA P3 ’17 Q1] (18:33)
Nerves & Synapses [AQA P2 ’18 Q7] (12:37)
Maths Skill, Synapses & Inheritance [AQA P2 ’17 Q10] (36:31)
Synapses, Depression, MDMA [Edexcel P2 ’17 Q1] (15:42)
Nerves, Control of Heart Rate [OCR P1 ’18 Q21] (19:37)
Neurones, Maths Skills, Muscles [Edexcel P2 ’18 Q8] (36:35)
Nerves [Edexcel P2 ’15 Q1] (8:54)
A: PLANT & ANIMAL RESPONSES 5.1.5
Muscles & ATP [AQA P2 ’15 Q2] (15:54)
Muscle Fibres, Respiration, Maths Skills & Graph Analysis [AQA P2 ’17 Q3] (26:13)
Muscles & Calcium Ions [Edexcel P2 ’17 Q7 ] (16:25)
Muscles, Maths [Edexcel P2 ’15 Q6] (18:57)
Muscles, Calcium Ions, Practical Skills, Graph Skills [Edexcel P3 ’18 Q5] (18:57)
Muscles [Edexcel P2 ’15 Q8] (22:20)
Synapses, Muscles & Organelles [AQA P3 ’17 Q1] (18:33)
Neurones, Maths Skills, Muscles [Edexcel P2 ’18 Q8] (36:35)
A: PHOTOSYNTHESIS 5.2.1
Photosynthesis, Maths Skills & Graph Skills [AQA P2 ’15 Q8] (17:44)
Photosynthesis, Enzymes & Maths Skills [OCR P1 ’15 Q18] (35:59)
Photosynthesis & Practical Skills [AQA P2 ’17 Q4] (24:33)
Photosynthesis, Maths Skills, Enzymes [Edexcel P1 ’15 Q1] (7:44)
Photosynthesis [Edexcel P1 ’17 Q4] (13:51)
Photosynthesis, Cell Membranes & Devise an Investigation [OCR P1 ’18 Q17] (23:23)
Maths Skills, Photosynthesis, Investigation [Edexcel P1 ’18 Q10] (24:40)
Mass Transport (Plants), Maths Skills, Microscopes, Photosynthesis {OCR P3 ’15 Q2] (25:25)
Photosynthesis, Practical Skills (DCPIP), Investigation [Edexcel P1 ’15 Q10] (19:40)
Data Analysis, Investigation, Photosynthesis & Enzymes [OCR P3 ’18 Q3] (33:20)
Devise an Investigation, Sampling, Photosynthesis [Edexcel P3 ’17 Q5] (42:10)
Photosynthesis & Investigation [AQA P2 ’18 Q1] (22:56)
A: RESPIRATION
Respiration, Inheritance & Protein Synthesis [AQA P2 ’15 Q10] (33:44)
Respiration, Data Analysis Water & Transport Across Membranes [OCR P1 ’17 Q18] (26:38)
Respiration, Biological Molecules & Maths Skills [OCR P3 ’18 Q2] (23:18)
Muscles & Respiration [Edexcel P2 ’17 Q6 ] (20:44)
Respiration [Edexcel P2 ’15 Q4 ] (19:48)
Adaptations, Maths Skills, Respiration (RQ), Practical Skills (Respirometer) [Edexcel P2 ’18 Q7] (20:29)
Respiration (RQ), Polymers of Carbohydrates & Chemiosmosis [OCR P1 ’18 Q19] (24:21)
Muscle Fibres, Respiration, Maths Skills & Graph Analysis [AQA P2 ’17 Q3] (26:13)
Maths, Practicals (Spirometer), Respiration, Control of Breathing, Diabetes [Edexcel P2 ’15 Q10] (41:07)
Practical Skills (Respirometer) & Maths Skills [AQA P2 ’15 Q1] (20:00)
Hormones, cAMP & Anaerobic Respiration [OCR P1 ’15 Q20] (30:28)
Practical Skills, Maths Skills & Respiration [AQA P2 ’18 Q3] (28:28)
A: PATTERNS OF INHERITANCE 6.1.2
Inheritance & Stats Skills [AQA P2 ’15 Q3] (19:36)
Epigenetics & Graph Skills [AQA P2 ’15 Q9] (15:10)
Inheritance & Maths Skills [AQA P2 ’17 Q7] (17:58)
Inheritance, Stats Chi-Squared, QWC, Protein Synthesis [OCR P2 ’17 Q17] (41:45)
Inheritance, Immunity, Maths Skills & Gene Technology [OCR P3 ’18 Q4] (51:11)
Inheritance & Sex Linkage [Edexcel P2 ’17 Q5 ] (22:13)
Respiration, Inheritance & Protein Synthesis [AQA P2 ’15 Q10] (33:44)
Maths Skill, Synapses & Inheritance [AQA P2 ’17 Q10] (36:31)
Classification, Inheritance, Stats Chi-squared [OCR P2 ’15 Q17] (25:13)
Organelles, Mass Transport (Plants) & Inheritance [OCR P3 ’18 Q1] (18:07)
Immune System, Inheritance & Data Analysis [Edexcel P1 ’17 Q8]
Inheritance [AQA P2 ’18 Q6] (24:03)
A: ECOSYSTEMS 6.3.1
Mycorrhiza & Data Analysis [AQA P3 ’15 Q5] (35:03)
Nitrogen Cycle, Maths Skills & Graph Analysis [AQA P3 ’17 Q3] (19:36)
Nitrogen Cycle, Enzymes, Productivity, Maths Skills [OCR P3 ’17 Q4] (36:32)
Productivity, Maths, Conservation, Nitrogen Cycle [OCR P2 ’15 Q21] (20:06)
Productivity, Graph Skills & Maths Skills [AQA P2 ’17 Q5] (26:11)
Productivity, Succession, Graph Skills, Maths Skills [Edexcel P1 ’15 Q6] (22:10)
Sampling, Succession & Productivity [AQA P2 ’18 Q4] (22:56)
A: POPULATIONS & SUSTAINABILITY 6.3.2
Speciation [AQA P2 ’17 Q9] (10:49)
Speciation [Edexcel P1 ’15 Q3] (8:22)
Adaptation, Inheritance, Hardy-Weinberg [OCR P3 ’17 Q3] (21:23)
Selection, Inheritance & Mutations [AQA P2 ’18 Q9] (17:00)
Variation, Speciation & Hardy-Weinberg [Edexcel P1 ’17 Q10] (26:39)
Successions, Practicals, Nitrogen Cycle [OCR P2 ’15 Q22] (9:25)
Sampling [AQA P3 ’15 Q1] (22:49)
Sampling & Graph Analysis [AQA P2 ’17 Q2] (23:26)
Sampling, Conservation [OCR P2 ’17 Q16] (21:53)
Populations, Maths Skills, Graph Skills [OCR P2 ’18 Q17] (27:19)
Selection Pressures [OCR P2 ’18 Q18] (10:57)
Index of Diversity, Sampling & Data Analysis [AQA P3 ’17 Q4] (22:08)
Immunity, Evolution, Antibiotic Resistance [OCR P2 ’15 Q16] (31:01)
Maths Skills, Graph Skills, Variation, Genetic Drift, Speciation [OCR P2 ’18 Q20] (42:07)
Carbohydrates, Hardy Weinberg, Evolution & QWC [OCR P2 ’15 Q18] (40:09)
Sampling, Investigation, Index of Diversity [Edexcel P1 ’15 Q11] (19:38)
A: CONTROL OF GENE EXPRESSION
Diabetes, Control of Gene Expression & Stem Cells [AQA P2 ’17 Q6] (20:22)
Protein Synthesis, Control of Gene Expression [Edexcel P1 ’15 Q9] (15:10)
Mutations, Gene Technology [Edexcel P2 ’18 Q10] (25:11)
Practical Skills, Maths Skills, Control of Gene Expression & Graph Analysis [AQA P3 ’17 Q6] (42:11)
Transport Across Membranes, Carbohydrates, Control of Gene Expression [Edexcel P2 ’18 Q1] (16:06)
A: GENE TECHNOLOGY
Gene Technology [AQA P2 ’15 Q5] (13:43)
Gene Technology & Maths Skills [AQA P2 ’17 Q8] (25:17)
Gene Technology [OCR P2 ’17 Q21] (18:21)
Gene Technology (Electrophoresis) & Investigation [Edexcel P1 ’15 Q7] (17:00)
Gene Technology, Practicals,, QWC, Plant cloning [OCR P2 ’15 Q20] (29:25)
Maths Skills, Gene Technology (Sequencing), Bioinformatics [OCR P2 ’18 Q21] (24:52)
Gene Technology, Maths Skills [Edexcel P3 ’18 Q1] (21:18)
Practical Skills (Chromatography), Gene Technology [OCR P3 ’17 Q1] (27:23)
Gene Technology, Proteins & Enzymes [AQA P2 ’18 Q8] (18:20)
AS: PRACTICAL SKILLS
Practical Skills (Potometer), Maths Skills, Control of Gene Expression & Graph Analysis [AQA P3 ’17 Q6] (42:11)
Practical Skills, Microscopes, Organelles, Maths Skills [AQA P3 ’15 Q2] (15:44)
Cystic Fibrosis, Practical Skills (Spirometer), MCQ & Maths [Edexcel P2 ’17 Q3] (16:50)
Maths, Practicals (Spirometer), Respiration, Control of Breathing, Diabetes [Edexcel P2 ’15 Q10] (41:07)
Practical Skills (Respirometer) & Maths Skills [AQA P2 ’15 Q1] (20:00)
Practical Skills (Respirometer), Maths Skills, Investigation {OCR P3 ’15 Q1] (52:55)
Practical Skills (Respirometer), Maths Skills, Investigation [OCR P1 ’18 Q22] (18:16)
Adaptations, Maths Skills, Respiration (RQ), Practical Skills (Respirometer) [Edexcel P2 ’18 Q7] (20:29)
Photosynthesis, Practical Skills (DCPIP), Investigation [Edexcel P1 ’15 Q10] (19:40)
Photosynthesis & Practical Skills (DCPIP) [AQA P2 ’17 Q4] (24:33)
Practical Skills, Investigation, Stats Skills, t-Test [Edexcel P1 ’15 Q12] (36:08)
Practical Skills (Membranes), Graph Skills, Investigation [OCR P1 ’18 Q20] (14:14)
Practical Skills (Daphnia), Maths Skills, Data Analysis & Ethics [Edexcel P3 ’15 Q3] (34:53)
Practical Skills (Chromatography), Gene Technology [OCR P3 ’17 Q1] (27:23)
Homeostasis, Mass Transport (Animals) & Practical Skills (Biological Drawing) [OCR P1 ’17 Q16] (16:05)
Practical Skills (Biological Drawing), Maths Skills (Volume of Spheres), Microscopes, Cell Division [OCR P2 ’18 Q16] (23:04)
Gas Exchange, Diffusion, Maths Skills (Means & Percentage Error), Biological Drawing [AQA P1 ’17 Q9] (33:23)
Practical Skills (Aseptic Technique), Gene Technology, Chromatography [OCR P2 ’15 Q19] (18:26)
Practical Skills (Development of an Animal), Maths Skills, Stats Skills [Edexcel P3 ’17 Q4] (33:48)
Investigation, Graph Skills, Practical Skills (Habituation) [Edexcel P3 ’17 Q2] Rich (25:32)
Practical Skills Root Tip Squash (Cell Cycle) [AQA P1 ’15 Q10] (15:44)
Biological Drawing, Maths Skills, Microscopes, Cell Division [OCR P2 ’18 Q16] (23:04)
Carbohydrates, Transport Across Membranes, Practicals (Colorimeter) [OCR P2 ’17 Q20] (25:13)
Practical Skills (Antimicrobials), Investigation, Stats Skills [Edexcel P1 ’15 Q12] (36:08)
Microbiology, Practical Skills, Data Analysis [OCR P2 ’18 Q19] (38:46)
Practicals, Maths Skills, Plant Cloning [OCR P2 ’17 Q18] (26:20)
AS: MATHS SKILLS
Transport & Maths Skills [AQA P1 ’15 Q5] (23:19)
Tangents [AQA P1 ’15 Q1] (23:48)
Gas Exchange, Diffusion, Maths Skills, Biological Drawing [AQA P1 ’17 Q9] (33:23)
Carbohydrates, Transport Across Membranes & Maths Skills [AQA P1 ’17 Q2] (9:43)
ATP, Proteins, Maths Skills & Evolution [AQA P1 ’17 Q5] (13:21)
Practical Skills (Respirometer) & Maths Skills [AQA P2 ’15 Q1] (20:00)
Photosynthesis, Maths Skills & Graph Skills [AQA P2 ’15 Q8] (17:44)
Kidney & Maths Skills [AQA P2 ’15 Q7] (23:36)
Maths Skills Hardy-Weinberg, Selection & Nerves [AQA P2 ’15 Q6] (20:19)
Maths Skill, Synapses & Inheritance [AQA P2 ’17 Q10] (36:31)
Gene Technology & Maths Skills [AQA P1 ’17 Q8] (25:17)
Inheritance & Maths Skills [AQA P2 ’17 Q7] (17:58)
Muscle Fibres, Respiration, Maths Skills & Graph Skills [AQA P1 ’17 Q3] (26:13)
Productivity, Graph Skills & Maths Skills [AQA P1 ’17 Q5] (26:11)
Practical Skills, Maths Skills, Control of Gene Expression, Graph Analysis [AQA P3 ’17 Q6] (42:11)
Nitrogen Cycle, Maths Skills & Graph Analysis [AQA P3 ’17 Q3] (19:36)
Prokaryotes, Maths Skills, Serial Dilutions & Graph Analysis [AQA P3 ’17 Q2] (31:23)
Heart ECG & Math Skills [OCR P1 ’15] (22:17)
Productivity, Maths, Conservation [OCR P2 ’15] (20:06)
Stats Skills, Maths Skills, Investigation {OCR P3 ’15 Q3] (73:14)
Maths Skills, Respiration, Proteins, Immunity [OCR P3 ’15] (31:24)
Investigation, Stats Skills, Graph Skills, Math Skills [OCR P1 ’17] (22:29)
Classification, Maths, QWC, Homeobox Genes [OCR P2 ’15 Q19] (22:09)
Nitrogen Cycle, Enzymes, Productivity, Maths Skills [OCR P3 ’17 Q4] (36:32)
Practicals, Maths, Plant Cloning [OCR P2 ’15 Q18] (32:09)
Proteins, Math Skills, Immunity, Respiration & Stats Skills [OCR P3 ’17 Q2] (53:59)
AS: MASS TRANSPORT IN ANIMALS (TOPIC 1)
Gas Exchange, Diffusion, Maths Skills, Biological Drawing [AQA P1 ’17 Q9] (33:23)
Gas Exchange & Collagen [Edexcel P1 ’17 Q7] (11:48)
Gas Exchange in Insects, Mass Transport (Animals) [OCR P3 ’17 Q7] (9:21)
Homeostasis, Gas Exchange (Insects) & Biological Drawing [OCR P1 ’17 Q16] (16:05)
Mass Transport (Animals), Polymers of Carbohydrates {OCR P3 ’15 Q5] (30:02)
Transport in Animals & Maths Skills [AQA P1 ’15 Q2] (19:25)
Mass Transport (Animals), Biological Molecules & Organelles [AQA P1 ’18 Q10] (24:20)
Maths, The Heart [Edexcel P2 ’15 Q3] (11:31)
Cardiac Cycle & The Heart [Edexcel P2 ’17 Q2] (13:30)
Heart ECG & Maths Skills [OCR P1 ’15 Q16] (22:17)
Homeostasis, The Heart, Graph Analysis, Maths Skills [Edexcel P2 ’18 Q5] (27:33)
Investigation, The Heart, CVD, Cell Division [Edexcel P3 ’17 Q3] (24:04)
Control of Heart Rate, Nervous System & Respiration [AQA P2 ’17 Q1] (15:09)
Transcription, Protein Structure & Protein Digestion [AQA P1 ’15 Q11] (25:11)
AS: CARBOHYDRATES & LIPIDS (TOPIC 1)
Carbohydrates – Starch vs Cellulose [AQA P1 ’15 Q4] (12:04)
Glycogen, Transport Across Membranes & Maths Skills [AQA P1 ’17 Q2] (21:03)
Carbohydrates, Transport Across Membranes, Practicals (Colorimeter) [OCR P2 ’17 Q20] (25:13)
Carbohydrates, Hardy Weinberg, Evolution & QWC [OCR P2 ’15 Q18] (40:09)
Carbohydrates [Edexcel P2 ’17 Q4] (16:53)
Transpiration & Polymers of Carbohydrates [OCR P1 ’18 Q18] (20:13)
Respiration (RQ), Polymers of Carbohydrates & Chemiosmosis [OCR P1 ’18 Q19] (24:21)
Maths Skills, Membranes, Investigation, Lipids & Proteins [Edexcel P3 ’17 Q6] (28:13)
Starch Digestion, Practical Skills [AQA P3 ’15 Q3] (22:40)
Mass Transport (Animals), Biological Molecules & Organelles [AQA P1 ’18 Q10] (24:20)
Lipids, Data Analysis [Edexcel P2 ’18 Q2] (17:15)
Lipids, Carbohydrates [Edexcel P3 ’18 Q6] (31:28)
Photosynthesis, Cell Membranes & Devise an Investigation [OCR P1 ’18 Q17] (23:23)
Membranes, Methods of Studying Cells, Control of Gene Expression [AQA P3 ’18 Q5] (17:11)
AS: TRANSPORT ACROSS MEMBRANES (TOPIC 2)
Facilitated Diffusion vs Active Transport & Maths Skills [AQA P1 ’15 Q5] (23:19)
Transport Across Membranes, Osmosis & Tissue Fluid [AQA P1 ’17 Q3] (23:48)
Maths Skills, Fick’s Diffusion [Edexcel P2 ’17 Q9] (23:09)
Facilitated Diffusion, Carbohydrates, Control of Gene Expression [Edexcel P2 ’18 Q1] (16:06)
Carbohydrates, Transport Across Membranes & Maths Skills [AQA P1 ’17 Q2] (21:03)
Cell Division, Osmosis, Cells [AQA P1 ’18 Q1] (21:52)
Membranes, Methods of Studying Cells, Control of Gene Expression [AQA P3 ’18 Q5] (17:11)
AS: DNA & PROTEIN SYNTHESIS (TOPIC 2)
DNA Replication & Enzymes [AQA P3 ’17 Q5] (19:04)
Enzymes, DNA Replication & Investigation [AQA P1 ’18 Q9] (14:31)
Transcription, Protein Structure & Protein Digestion [AQA P1 ’15 Q11] (25:11)
Organelles & Protein Synthesis [AQA P1 ’17 Q1] (13:05)
Proteins, Protein Synthesis, Mutations [Edexcel P1 ’18 Q4] (23:58)
Biological Molecules, Protein Synthesis & Mutations [AQA P1 ’18 Q5] (23:23)
Mutations & Maths Skills [AQA P2 ’18 Q2] (16:45)
Protein Synthesis, Control of Gene Expression [Edexcel P1 ’15 Q9] (15:10)
Respiration, Inheritance & Protein Synthesis [AQA P2 ’15 Q10] (33:44)
Stats Skills, Maths Skills, Protein Synthesis [AQA P3 ’18 Q2] (30:07)
AS: PROTEINS & ENZYMES
Proteins, Maths Skills, Immunity, Respiration & Stats Skills [OCR P3 ’17 Q2] (53:59)
Proteins, Protein Synthesis, Mutations [Edexcel P1 ’18 Q4] (23:58)
Classification, Proteins, Selection, Investigation [Edexcel P1 ’18 Q8] (18:32)
Transcription, Protein Structure & Protein Digestion [AQA P1 ’15 Q11] (25:11)
Proteins, Mass Transport (Animals), Maths Skills, Practical Skills [AQA P3 ’18 Q4] (27:32)
Enzymes & Tangents [AQA P1 ’15 Q1] (23:48)
Enzymes, Graph Skills, Investigation, Maths Skills & CVD [Edexcel P3 ’15 Q4] (52:36)
Enzymes, Synapses, Serotonin, Practicals, Medical Trials [Edexcel P2 ’15 Q9] (26:29)
Maths Skills, Enzymes & Organelles [Edexcel P1 ’15 Q8] (14:44)
Enzymes, Maths Skills & Graph Skills [AQA P1 ’18 Q4] (23:14)
Nucleic Acids & Enzymes [AQA P1 ’15 Q8] (10:34)
DNA Replication & Enzymes [AQA P3 ’17 Q5] (19:04)
Nitrogen Cycle, Enzymes, Productivity, Maths Skills [OCR P3 ’17 Q4] (36:32)
Maths Skills, Enzymes, Carbon Cycle [Edexcel P1 ’18 Q2] (15:19)
Photosynthesis, Maths Skills, Enzymes [Edexcel P1 ’15 Q1] (7:44)
AS: NUCLEIC ACIDS, ATP, WATER & INORGANIC IONS
Nucleic Acids & Enzymes [AQA P1 ’15 Q8] (10:34)
Transport Across Membranes (Osmosis), Cystic Fibrosis & DNA [Edexcel P1 ’17 Q2] (20:24)
Respiration, Data Analysis Water & Transport Across Membranes [OCR P1 ’17 Q18] (26:38)
ATP, Proteins, Maths Skills & Evolution [AQA P1 ’17 Q5] (30:50)
Muscles & ATP [AQA P2 ’15 Q2] (15:54)
Muscles & Calcium Ions [Edexcel P2 ’17 Q7] (16:25)
Muscles, Calcium Ions, Practical Skills, Graph Skills [Edexcel P3 ’18 Q5] (18:57)
AS: CELLS & ORGANELLES (TOPIC 3)
Organelles, Mass Transport (Plants) & Inheritance [OCR P3 ’18 Q1] (18:07)
Organelles & Protein Synthesis [AQA P1 ’17 Q1] (13:05)
Maths Skills, Enzymes & Organelles [Edexcel P1 ’15 Q8] (14:44)
Practical Skills, Microscopes, Organelles, Maths Skills [AQA P3 ’15 Q2] (15:44)
Mass Transport (Animals), Biological Molecules & Organelles [AQA P1 ’18 Q10] (24:20)
Prokaryotes, Graph Analysis, Enzymes & Digestion [AQA P1 ’17 Q4] (25:25)
Prokaryotes, Maths Skills, Serial Dilution & Graph Analysis [AQA P3 ’17 Q2] (31:23)
Prokaryotes, DNA & Antibiotics [Edexcel P1 ’17 Q3] (22:16)
AS: CELL DIVISION (TOPIC 3)
Microscopes, Meiosis & Devise an Investigation [AQA P1 ’17 Q10] (26:34)
Meiosis, Maths Skills, Organelles, Respiration [AQA P3 ’18 Q3] (24:08)
Mitosis & Meiosis & Practical Skills [AQA P1 ’15 Q10] (15:44)
Mitosis, Osmosis, Cells [AQA P1 ’18 Q1] (21:52)
Meiosis, DNA & Organelles [OCR P1 ’17 Q19] (11:41)
Cell Division [Edexcel P2 ’17 Q10] (30:37)
Mitosis & Meiosis, Data Analysis, Stem Cells [Edexcel P1 ’18 Q5] (27:26)
Meiosis, Stats Skills & Selection Pressures [AQA P1 ’18 Q6] (27:57)
Devise an Investigation, Practical Skills, Mitosis [Edexcel P3 ’18 Q4] (37:07)
Fertilisation [Edexcel P1 ’17 Q1] (7:50)
AS: GENES & INHERITANCE (TOPIC 3)
Inheritance & Stats Skills [AQA P2 ’15 Q3] (19:36)
Epigenetics & Graph Skills [AQA P2 ’15 Q9] (15:10)
Inheritance & Maths Skills [AQA P2 ’17 Q7] (17:58)
Inheritance, Stats Chi-Squared, QWC, Protein Synthesis [OCR P2 ’17 Q17] (41:45)
Inheritance, Immunity, Maths Skills & Gene Technology [OCR P3 ’18 Q4] (51:11)
Inheritance & Sex Linkage [Edexcel P2 ’17 Q5 ] (22:13)
Respiration, Inheritance & Protein Synthesis [AQA P2 ’15 Q10] (33:44)
Maths Skill, Synapses & Inheritance [AQA P2 ’17 Q10] (36:31)
Classification, Inheritance, Stats Chi-squared [OCR P2 ’15 Q17] (25:13)
Organelles, Mass Transport (Plants) & Inheritance [OCR P3 ’18 Q1] (18:07)
Immune System, Inheritance & Data Analysis [Edexcel P1 ’17 Q8]
Inheritance [AQA P2 ’18 Q6] (24:03)
AS: BIODIVERSITY (TOPIC 4)
Index of Diversity, Biodiversity & Stats Skills [AQA P1 ’15 Q3] (24:57)
Index of Diversity, Sampling & Data Analysis [AQA P3 ’17 Q4] (22:08)
Biodiversity, Investigation & Classification [AQA P1 ’18 Q3] (26:14)
Sampling, Investigation, Index of Diversity [Edexcel P1 ’15 Q11] (19:38)
Maths Skills, Climate Change, Biodiversity, Data Analysis [Edexcel P1 ’18 Q9] (21:12)
Classification, Index of Diversity, Sampling & Productivity [OCR P3 ’18 Q5] (19:45)
AS: ADAPTATION & TAXOMONY (TOPIC 4)
Classification [AQA P1 ’15 Q6] (13:58)
Classification [AQA P1 ’17 Q8] (17:12)
Classification, Maths, QWC, Homeobox Genes [OCR P2 ’17 Q19] (30:23)
Classification, Inheritance, Stats Chi-squared [OCR P2 ’15 Q17] (25:13)
Classification, Proteins, Selection, Investigation [Edexcel P1 ’18 Q8] (18:32)
Adaptations, Maths Skills, Respiration (RQ), Practical Skills (Respirometer) [Edexcel P2 ’18 Q7] (20:29)
Maths Skills, Selection & Nerves [AQA P2 ’15 Q6] (20:19)
ATP, Proteins, Maths Skills & Evolution [AQA P1 ’17 Q5] (30:50)
Maths Skills, Graph Skills, Variation, Genetic Drift, Speciation [OCR P2 ’18 Q20] (42:07)
AS: PLANTS & TRANSPORT (TOPIC 4)
Transpiration & Polymers of Carbohydrates [OCR P1 ’18 Q18] (20:13)
Mass Transport in Plants (Translocation) [AQA P1 ’15 Q9] (15:23)
Mass Transport Plants (Translocation) [OCR P1 ’15 Q19] (25:32)
Xylem and Phloem, Mass Transport (Plants), Investigation & Graph Skills [AQA P1 ’18 Q8] (40:34)
Xylem and PhloemMass Transport (Plants), Maths Skills, Microscopes, Photosynthesis {OCR P3 ’15 Q2] OCR ONLY (25:25)
Plant fibres, Devise an Investigation, Mass Transport (Plants) [Edexcel P3 ’17 Q1] (22:06)
AS: EXTENDED RESPONSE QUESTIONS
Liver, QWC & Transport Across Membranes [OCR P1 ’15 Q17] (30:54)
Investigation Evaluation & QWC [OCR P1 ’17 Q21] (21:30)
Respiration, Data Analysis Water & Transport Across Membranes [OCR P1 ’17 Q18] (26:38)
Photosynthesis & Cell Membranes [OCR P1 ’18 Q17] (23:23)
QWC Transpiration [OCR P1 ’18 Q18] (20:13)
QWC Chemiosmosis [OCR P1 ’18 Q19] (24:21)
QWC Natural Selection [OCR P2 ’15 Q18] (40:09)
QWC Improve an Investigation [OCR P2 ’15 Q20] (29:25)
QWC Protein Synthesis [OCR P2 ’17 Q17] (41:45)
QWC Classification [OCR P2 ’17 Q19] (30:23)
QWC Selection Pressures [OCR P2 ’18 Q18] (10:57)
QWC Microbiology [OCR P2 ’18 Q19] (38:46)
QWC Respiration {OCR P3 ’15 Q1] (52:55)
QWC Immunity {OCR P3 ’15 Q4] (31:24)
Investigation Method & Data Presentation [OCR P3 ’17 Q6] (18:13)
QWC Improve an Investigation [OCR P3 ’18 Q3] (33:20)
QWC Ecology [Edexcel P1 ’15 Q11] (19:38)
QWC Vaccination [Edexcel P1 ’15 Q5] (13:29)
QWC Devise an Investigation [Edexcel P1 ’17 Q9]
QWC Variation, Speciation & Inheritance [Edexcel P1 ’17 Q10]
QWC Antibiotics [Edexcel P1 ’18 Q6] (35:04)
Maths Skills, Photosynthesis, Investigation [Edexcel P1 ’18 Q10] (24:40)
QWC Respiration [Edexcel P2 ’15 Q4] (19:48)
QWC Investigation [Edexcel P2 ’17 Q8]
QWC Cell Division [Edexcel P2 ’17 Q10]
QWC Devise an Investigation [Edexcel P2 ’18 Q9] (24:33)
QWC Performance Enhancing Drugs [Edexcel P2 ’18 Q6] (31:57)
QWC Evaluate an Investigation [Edexcel P3 ’15 Q5] (32:25)
QWC Lipids and Proteins in Cell Membranes [Edexcel P3 ’17 Q6] (28:13)
QWC Carbohydrates in Plants and Animals [Edexcel P3 ’18 Q6] (31:28)
AS: MULTIPLE CHOICE QUESTIONS
Multiple Choice Questions [OCR P1 ’18 Q1-15] (48:50)
Multiple Choice Questions [OCR P1 ’17 Q1-15A] (39:15)
Multiple Choice Questions [OCR P1 ’15 Q1-15] (33:47)
Multiple Choice Questions [OCR P2 ’18 Q1-15] (36:00)
Multiple Choice Questions [OCR P2 ’17 Q1-15] (36:33)
Multiple Choice Questions [OCR P2 ’15 Q1-15A] (33:12)
MCQ, Maths Skills, Cells [Edexcel P1 ’15 Q2] (10:23)
A-LEVEL MATHS SKILLS
Investigation (Yeast Respiration), Stats Skills Standard Deviation, Graph Skills, Maths Skills (Percentage Change) [OCR P1 ’17 Q20] (22:29)
Cell Division (Meiosis), Stats Skills (t-Test) & Selection Pressures [AQA P1 ’18 Q6] (27:57)
Stats Skills (t-Test), Maths Skills, Graph Skills, Investigation {OCR P3 ’15 Q3] (73:14)
Inheritance, Stats (Chi-Squared), QWC, Protein Synthesis [OCR P2 ’17 Q17] (41:45)
Stats Skills (Chi-squared) & Practical Skills (Taxes & Kineses) [Edexcel P3 ’15 Q2] (32:35)
Classification, Inheritance, Stats (Chi-squared) [OCR P2 ’15 Q17] (25:13)
Stats Skills (Correlation Coefficient), Maths Skills (Volume), Protein Synthesis [AQA P3 ’18 Q2] (30:07)
Stats Skills (Correlation Coefficient), Enzymes [Edexcel P3 ’18 Q3] (30:16)
Practical Skills (Antimicrobials), Investigation, Stats Skills (t-Test), Maths Skills (Area)[Edexcel P1 ’15 Q12] (36:08)
Biodiversity & Stats Skills (Index of Diversity) [AQA P1 ’15 Q3] (24:57)
Inheritance & Stats Skills (Chi-Squared) [AQA P2 ’15 Q3] (19:36)
Proteins, Maths Skills (Volume), Immunity, Respiration & Stats Skills (t-Test) [OCR P3 ’17 Q2] (53:59)
Practical Skills (Development of an Animal), Maths Skills, Stats Skills (t-test) [Edexcel P3 ’17 Q4] (33:48)
A: ENERGY & ECOSYSTEMS (TOPIC 5)
Mycorrhiza & Data Analysis [AQA P3 ’15 Q5] (35:03)
Nitrogen Cycle, Maths Skills & Graph Analysis [AQA P3 ’17 Q3] (19:36)
Nitrogen Cycle, Enzymes, Productivity, Maths Skills [OCR P3 ’17 Q4] (36:32)
Productivity, Maths, Conservation, Nitrogen Cycle [OCR P2 ’15 Q21] (20:06)
Productivity, Graph Skills & Maths Skills [AQA P2 ’17 Q5] (26:11)
Productivity, Succession, Graph Skills, Maths Skills [Edexcel P1 ’15 Q6] (22:10)
Sampling, Succession & Productivity [AQA P2 ’18 Q4] (22:56)
A: PHOTOSYNTHESIS (TOPIC 5)
Photosynthesis, Maths Skills & Graph Skills [AQA P2 ’15 Q8] (17:44)
Photosynthesis, Enzymes & Maths Skills [OCR P1 ’15 Q18] (20:54)
Photosynthesis & Practical Skills [AQA P2 ’17 Q4] (24:33)
Photosynthesis, Maths Skills, Enzymes [Edexcel P1 ’15 Q1] (7:44)
Photosynthesis [Edexcel P1 ’17 Q4] (13:51)
Photosynthesis (Phytochrome), Practicals, Maths [Edexcel P2 ’15 Q5] (19:09)
Photosynthesis, Cell Membranes & Devise an Investigation [OCR P1 ’18 Q17] (23:23)
Maths Skills, Photosynthesis, Investigation [Edexcel P1 ’18 Q10] (24:40)
Mass Transport (Plants), Maths Skills, Microscopes, Photosynthesis {OCR P3 ’15 Q2] (25:25)
Photosynthesis, Practical Skills (DCPIP), Investigation [Edexcel P1 ’15 Q10] (19:40)
Devise an Investigation, Sampling, Photosynthesis [Edexcel P3 ’17 Q5] (42:10)
Photosynthesis & Investigation [AQA P2 ’18 Q1] (22:56)
A: POPULATIONS & EVOLUTION (TOPIC 5)
Speciation [AQA P2 ’17 Q9] (10:49)
Speciation [Edexcel P1 ’15 Q3] (8:22)
Selection, Inheritance & Mutations [AQA P2 ’18 Q9] (17:00)
Adaptation, Inheritance, Hardy-Weinberg [OCR P3 ’17 Q3] (21:23)
Variation, Speciation & Hardy-Weinberg [Edexcel P1 ’17 Q10] (26:39)
Successions, Practicals, Nitrogen Cycle [OCR P2 ’15 Q22] (9:25)
Sampling [AQA P3 ’15 Q1] (22:49)
Sampling & Graph Analysis [AQA P2 ’17 Q2] (23:26)
Sampling, Conservation [OCR P2 ’17 Q16] (21:53)
Climate Change & Productivity [Edexcel P1 ’17 Q5] (19:34)
Climate Change, Investigation, Graph Skills [Edexcel P3 ’18 Q2] (29:15)
Populations, Maths Skills, Graph Skills [OCR P2 ’18 Q17] (27:19)
Selection Pressures [OCR P2 ’18 Q18] (10:57)
Index of Diversity, Sampling & Data Analysis [AQA P3 ’17 Q4] (22:08)
Immunity, Evolution, Antibiotic Resistance [OCR P2 ’15 Q16 ] (31:01)
Maths Skills, Graph Skills, Variation, Genetic Drift, Speciation [OCR P2 ’18 Q20] (42:07)
Carbohydrates, Hardy Weinberg, Evolution & QWC [OCR P2 ’15 Q18] (40:09)
Sampling, Investigation, Index of Diversity [Edexcel P1 ’15 Q11] (19:38)
A: IMMUNITY & HEALTH (TOPIC 6)
Antigens Test & Proteins [AQA P1 ’15 Q7] (27:23)
Immunity (Autoimmune disease), Nerves & Muscles [OCR P3 ’17 Q5] (23:24)
Maths Skills, Respiration, Proteins, Immunity & Antibodies {OCR P3 ’15 Q4] (31:24)
Data Analysis & Immunity [AQA P3 ’15 Q4] (27:09)
Phagocytosis, Antibodies, Autoimmune disease & Proteins [AQA P1 ’17 Q7] (18:15)
Immunity, Primary vs Secondary Response, Evolution, Antibiotic Resistance [OCR P2 ’15 Q16] (31:01)
Immunity, Antigens, Primary vs Secondary Response & Maths Skills [AQA P1 ’18 Q7] (25:39)
Immunity, Primary vs Secondary Response [Edexcel P1 ’15 Q5] (13:29)
Immune System, Antibodies, Vaccination, Inheritance & Data Analysis [Edexcel P1 ’17 Q8] (30:57)
Non-specific Immune Response, Muscles [Edexcel P2 ’18 Q3] (20:45)
Non-specific Immune Response, Immunity, Organelles [Edexcel P1 ’18 Q3] (24:22)
Blood Clotting, Maths Skills & CVD [Edexcel P1 ’17 Q6] (22:21)
Blood Clotting, Enzymes, QWC, Practical Skills [Edexcel P2 ’18 Q9] (27:33)
CVD [Edexcel P1 ’18 Q1] (14:09)
Data Analysis & Immunity [AQA P3 ’15 Q4] (27:09)
A: MUSCLES (TOPIC 7)
Muscles & ATP [AQA P2 ’15 Q2] (15:54)
Muscle Fibres, Respiration, Maths Skills & Graph Analysis [AQA P2 ’17 Q3] (26:13)
Muscles & Calcium Ions [Edexcel P2 ’17 Q7 ] (16:25)
Muscles, Maths [Edexcel P2 ’15 Q6] (18:57)
Muscles, Calcium Ions, Practical Skills, Graph Skills [Edexcel P3 ’18 Q5] (18:57)
Muscles [Edexcel P2 ’15 Q8] (22:20)
Synapses, Muscles & Organelles [AQA P3 ’17 Q1] (18:33)
Immunity, Muscles [Edexcel P2 ’18 Q3] (20:45)
Neurones, Maths Skills, Muscles [Edexcel P2 ’18 Q8] (36:35)
A: RESPIRATION (TOPIC 7)
Respiration, Inheritance & Protein Synthesis [AQA P2 ’15 Q10] (33:44)
Respiration, Data Analysis Water & Transport Across Membranes [OCR P1 ’17 Q18] (26:38)
Respiration, Biological Molecules & Maths Skills [OCR P3 ’18 Q2] (23:18)
Muscles & Respiration [Edexcel P2 ’17 Q6 ] (20:44)
Respiration [Edexcel P2 ’15 Q4 ] (19:48)
Adaptations, Maths Skills, Respiration (RQ), Practical Skills (Respirometer) [Edexcel P2 ’18 Q7] (20:29)
Respiration (RQ), Polymers of Carbohydrates & Chemiosmosis [OCR P1 ’18 Q19] (24:21)
Muscle Fibres, Respiration, Maths Skills & Graph Analysis [AQA P2 ’17 Q3] (26:13)
Maths, Practicals (Spirometer), Respiration, Control of Breathing, Diabetes [Edexcel P2 ’15 Q10] (41:07)
Practical Skills (Respirometer) & Maths Skills [AQA P2 ’15 Q1] (20:00)
Hormones, cAMP & Anaerobic Respiration [OCR P1 ’15 Q20] (30:28)
Practical Skills, Maths Skills & Respiration [AQA P2 ’18 Q3] (28:28)
A: HOMEOSTASIS & EXCERCISE (TOPIC 7)
Hormones, cAMP & Anaerobic Respiration [OCR P1 ’15 Q20] (20:51)
Kidney & Maths Skills [AQA P2 ’15 Q7] (23:36)
Osmosis, Stats Skills, Investigation, Kidney & Maths Skills [AQA P2 ’18 Q5] (23:20)
Diabetes, Control of Gene Expression & Stem Cells [AQA P2 ’17 Q6] (20:22)
Diabetes, Muscles, Graph Skills [OCR P1 ’18 Q16] (23:47)
Liver, QWC & Transport Across Membranes [OCR P1 ’15 Q17] (21:17)
Kidney, Cell Division & Stem Cells [OCR P1 ’17 Q22] (24:50)
Homeostasis, The Heart, Graph Analysis, Maths Skills [Edexcel P2 ’18 Q5] (27:33)
A: CONTROL OF GENE EXPRESSION (TOPIC 7)
Diabetes, Control of Gene Expression & Stem Cells [AQA P2 ’17 Q6] (20:22)
Protein Synthesis, Control of Gene Expression [Edexcel P1 ’15 Q9] (15:10)
Mutations, Gene Technology [Edexcel P2 ’18 Q10] (25:11)
Practical Skills, Maths Skills, Control of Gene Expression & Graph Analysis [AQA P3 ’17 Q6] (42:11)
Transport Across Membranes, Carbohydrates, Control of Gene Expression [Edexcel P2 ’18 Q1] (16:06)
A: NERVOUS COORDINATION (TOPIC 8)
Nerves [Edexcel P2 ’15 Q1 ] (8:54)
Receptors & Nerves [AQA P2 ’15 Q4] (18:31)
Receptors, Hardy-Weinberg, Inheritance & Stem Cells [AQA P2 ’18 Q10] (33:42)
Synapses, Muscles & Organelles [AQA P3 ’17 Q1] (18:33)
Maths Skill, Synapses & Inheritance [AQA P2 ’17 Q10] (36:31)
Synapses, Depression, MDMA [Edexcel P2 ’17 Q1] (15:42)
Nerves & Synapses [AQA P2 ’18 Q7] (12:37)
Maths, Habituation [Edexcel P2 ’15 Q7] (24:22)
Habituation, Nerves & Practical Skills [Edexcel P2 ’17 Q8] (41:36)
Nerves, Control of Heart Rate [OCR P1 ’18 Q21] (19:37)
Neurones, Maths Skills, Muscles [Edexcel P2 ’18 Q8] (36:35)
The Brain, Medical Scanners, Critical Period [Edexcel P2 ’18 Q4] (17:50)
Medical Scanners [Edexcel P2 ’15 Q2 ] (12:56)
A: GENE TECHNOLOGY (TOPIC 8)
Gene Technology [AQA P2 ’15 Q5] (13:43)
Gene Technology & Maths Skills [AQA P2 ’17 Q8] (25:17)
Gene Technology [OCR P2 ’17 Q21] (18:21)
Gene Technology (Electrophoresis) & Investigation [Edexcel P1 ’15 Q7] (17:00)
Gene Technology, Practicals,, QWC, Plant cloning [OCR P2 ’15 Q20] (29:25)
Maths Skills, Gene Technology (Sequencing), Bioinformatics [OCR P2 ’18 Q21] (24:52)
Gene Technology, Maths Skills [Edexcel P3 ’18 Q1] (21:18)
Practical Skills (Chromatography), Gene Technology [OCR P3 ’17 Q1] (27:23)
Gene Technology, Proteins & Enzymes [AQA P2 ’18 Q8] (18:20)
A: SCIENTIFIC ARTICLE
Scientific Article [Edexcel P3 ’18 Q7] (68:00)
Scientific Article [Edexcel P3 ’17 Q7] (66:06)
Scientific Article [Edexcel P3 ’15 Q6] (86:08)
Students who use the CG to revise—improve by 1.7 grades on average.
The Content Guide doesn’t just teach you course content, it helps you learn difficult subject matter—effortlessly. Each tutorial is hand crafted from exam answers, so you are (secretly) preparing for exams while you learn.
Ask Rich questions on any topic as you go, and join him live every week for an interactive session.
Track your comprehension with our Traffic Light System. Mark the difficult topics with red or yellow so that you can go back and re-watch them until it clicks.
AS: PRACTICAL SKILLS
Practicals Skills: Student Support Guide
AQA Practical Handbook
Biological Drawings (11:00)
Investigate An Enzyme Controlled Reaction #1 (9:41)
Using A Light Microscope #2 (7:58)
Root Tip Squash #2 (3:47)
Slide Preparation #2 (5:49)
Mitotic Index #2 (10:34)
Identifying The Water Potential Of Plant Tissue #3 (13:23)
Colorimetry & Calibration Curves #3 (12:25)
Serial Dilutions #3 (5:08)
The Potometer #3 (13:18)
Membrane Permeability #4 (9:58)
Temperature & Alcohol On Membrane Permeability #4 (7:06)
Dissection #5 (5:04)
Antimicrobial Substances Affect Microbial Growth #6 (10:34)
Aseptic Technique #6 (3:34)
AS: MATHS SKILLS OVERVIEW
Handy Documents
6.1 – Use Of Appropriate Units (16:40)
6.1 – Decimals & Standard Form (12:37)
6.1 – Ratios (8:51)
6.1 – Percentages (9:45)
6.1 – Estimation (6:01)
6.2 – Use Of Significant Figures (15:19)
6.2 – Principles Of Sampling (8:09)
6.2 – Order Of Magnitude Calculations (8:58)
6.2 – Averages (6:47)
6.2 – Probability (10:32)
6.2 – Scatter Diagrams (5:12)
6.2 – Tables & Bar Charts (6:08)
6.2 – Histograms (6:36)
6.2 – Uncertainties In Measurements (11:38)
6.3 – Algebraic Symbols (3:28)
6.3 – Change The Subject Of An Equation (2:27)
6.3 – Solve Algebraic Equations (3:23)
6.5 – Circumference & Surface Area (7:45)
6.4 – Tangents (11:46)
6.4 – Drawing Graphs (4:36)
6.4 – Straight Line Graphs (7:39)
6.5 – Rectangular & Cylindrical Prisms (10:04)
AS: STATISTICS SKILLS
Introduction To Statistics (7:58)
Standard Deviation (14:08)
Students t-Test (11:18)
Chi-squared Test (14:10)
Correlation Coefficient (15:41)
AS: CARBOHYDRATES & LIPIDS
3.1.1 – Introduction To The Biological Molecules (4:21)
3.1.1 – Condensation & Hydrolysis Reactions (5:48)
3.1.2 – Introduction to Carbohydrates (6:01)
3.1.2 – Polymers Of Carbohydrates (12:01)
3.1.2 – Test for Carbohydrates (3:25)
3.1.2 – Carbohydrates Quiz
3.1.3 – Introduction To Lipids (10:28)
3.1.3 – Structure & Function of Lipids (4:37)
3.1.3 – Test for Lipids (2:24)
3.1.3 – Lipids Quiz
AS: PROTEINS & ENZYMES
3.1.4 – Introduction To Proteins (4:37)
3.1.4 – The Biuret Test for Proteins (2:19)
3.1.4.1 – Structure & Function of Proteins (7:22)
3.1.4 – Proteins Quiz
3.1.4.2 – The Enzyme Question (4:40)
3.1.4.2 – Enzyme Reactions – Temperature (7:42)
3.1.4.2 – Enzyme Reactions – pH (4:13)
3.1.4.2 – Enzyme Reactions- Enzyme & Substrate Concentration (5:45)
3.1.4.2 – Enzyme Reactions – Inhibitors (6:45)
3.1.4.2 – Enzymes: Quiz
AS: NUCLEIC ACIDS & DNA REPLICATION
3.1.5 – Nucleic Acids (10:27)
3.1.5 – Nucleic Acids Quiz
3.1.5.2 – Semi-conservative DNA Replication (15:24)
3.1.5.2 – Proving DNA Replication Is Semi-conservative (14:10)
3.1.5.2 – DNA & Protein Synthesis Key Terms (10:57)
3.1.5.2 – DNA Replication Quiz
AS: ATP, WATER & INORGANIC IONS
3.1.6 – ATP (6:37)
3.1.6 – ATP Quiz
3.1.7 – Introduction To Water (7:31)
3.1.7 – Water As A Solvent (7:24)
3.1.7 – Water – Temperature Control (4:42)
3.1.7 – Water – Summary (2:45)
3.1.7 – Water Quiz
3.1.8 – Inorganic Ions (6:45)
3.1.8 – Inorganic Ions Quiz
AS: PROKARYOTES & EUKARYOTES
3.2.1.1 – Eukaryotic Cell Structure (8:54)
3.2.1.1 – Eukaryotic Cell Structure Quiz
3.2.1.1 – Eukaryotic Cell Organelles 1 (8:04)
3.2.1.1 – Eukaryotic Cell Organelles 2 (7:39)
3.2.1.1 – Specialised Cells (5:24)
3.2.1.1 – Production & Secretion of Proteins (8:43)
3.2.1.1 – Structure of Eukaryotic Cells Quiz
3.2.1.2 – Prokaryotic Cell Structure (8:34)
3.2.1.2 – Prokaryotes vs Eukaryotes (7:32)
3.2.1.2 – Viruses (4:36)
3.2.1.2 – Prokaryotes, Eukaryotes & Viruses Quiz
AS: METHODS OF STUDYING CELLS
3.2.1.3 – Cell Fractionation (6:02)
3.2.1.3 – Magnification & Resolution (8:58)
3.2.1.3 – Microscopes (5:36)
3.2.1.3 – Methods of Studying Cells Quiz
AS: CELLS ARISE FROM OTHER CELLS
3.2.2 – Mitosis (13:28)
3.2.2 – Mitosis & Cancer (9:32)
3.2.2 – Binary Fission (5:09)
3.2.2 – All Cells Arise from Other Cells Quiz
AS: TRANSPORT ACROSS MEMBRANES
3.2.3 – Cell Membranes (7:03)
3.2.3 – Diffusion (11:38)
3.2.3 – Facilitated Diffusion (9:17)
3.2.3 – Active Transport & Co-transport (3:18)
3.2.3 – The Absorption Of Glucose (7:02)
3.2.3 – Osmosis (5:59)
3.2.3 – Transport Across Cell Membranes Quiz
AS: THE IMMUNE SYSTEM
3.2.4 – Phagocytosis (8:10)
3.2.4 – T-cells & B-cells (8:46)
3.2.4 – Antibodies, Primary & Secondary Response (8:47)
3.2.4 – Monoclonal Antibodies (8:50)
3.2.4 – Vaccines & Antigenic Variability (7:26)
3.2.4 – Active & Passive Immunity (4:42)
3.2.4 – The ELISA Test (12:08)
3.2.4 – HIV & Virus Replication (9:38)
3.2.4 – Cell Recognition and the Immune System Quiz
AS: MASS TRANSPORT IN ANIMALS
3.3.3 – Digestion & Absorption of Carbohydrates & Lipids (8:26)
3.3.3 – Digestion & Absorption of Proteins (5:07)
3.3.3 – Digestion & Absorption Quiz
3.3.4.1 – Heamoglobin & Bohr Effect (8:55)
3.3.4.1 – Comparing Haemoglobin in Different Organisms (6:44)
3.3.4.1 – Blood Vessels (5:34)
3.3.4.1 – Structure Of The Human Heart (9:30)
3.3.4.1 – Cardiac Cycle Graphs (12:34)
3.3.4.1 – Cardiovascular Disease (5:50)
3.3.4.1 – Cardiovascular System: Quiz
3.3.4.1 – The Formation & Return of Tissue Fluid (8:56)
3.3.4.2 – Mass Transport in Animals Quiz
AS: MASS TRANSPORT IN PLANTS
3.3.4.2 – The Xylem (5:41)
3.3.4.2 – The Phloem (6:44)
3.3.4.2 – Translocation (5:49)
3.3.4.2 – Mass Transport in Plants Quiz
AS: GAS EXCHANGE
3.3.1 – Surface Area to Volume Ratio (7:00)
3.3.1 – Surface Area to Volume Ratio Quiz
3.3.2 – Gas Exchange In Insects & Fish (8:25)
3.3.2 – Gas Exchange In Plants (6:42)
3.3.2 – Gas Exchange In Humans (7:14)
3.3.2 – Pulmonary Ventilation (7:03)
3.3.2 – Mechanics of Breathing (6:06)
3.3.2 – Gas Exchange Quiz
AS: DNA & PROTEIN SYNTHESIS
3.4.1 – DNA is Universal, Non-overlapping & Degenerate (5:43)
3.4.1 – DNA, Genes & Chromosomes (9:40)
3.4.1 – DNA,Genes and Chromosomes Quiz
3.4.2 – Protein Synthesis – Transcription (9:44)
3.4.2 – Protein Synthesis – Translation (8:56)
3.4.2 – DNA and Protein Synthesis Quiz
AS: GENETIC DIVERSITY, MUTATION & MEIOSIS
3.4.3 – Before Meiosis (9:14)
3.4.3 – Introduction to Meiosis (4:56)
3.4.3 – Meiosis (12:17)
3.4.3 – Meiosis & Genetic Variation (8:21)
3.4.3 – Gene Mutations (8:01)
3.4.3 – Chromosome Mutation (4:17)
3.4.3 – Genetic Diversity & Meiosis – Quiz
AS: ADAPTATION & TAXONOMY
3.4.4 – Directional & Stabilising Selection (5:18)
3.4.4 – Genetic Diversity & Adaptation (3:42)
3.4.4 – Genetic Diversity & Adaptation – Quiz
3.4.5 – Species & Taxonomy (8:31)
3.4.5 – Species & Taxonomy – Quiz
AS: BIODIVERSITY
3.4.6 – Biodiversity (6:35)
3.4.6 – Farming, Biodiversity & Conservation (2:28)
3.4.6 – Biodiversity Quiz
3.4.7 – Investigating Diversity (9:47)
3.4.7 – Investigating Diversity Quiz
A: PRACTICAL SKILLS
Introduction To AQA Required Practicals
Index of Required Practicals
Practicals Skills: Student Support Guide
AQA Practical Handbook
Biological Drawings (11:00)
Chromatography #7 (10:25)
Chromatography Rf Values #7 (9:45)
Investigate The Rate Of The Light Dependent Reaction #8 (16:21)
Investigate The Rate Of Respiration In Yeast #9 (16:41)
The Effect Of Environmental Variables On The Movement Of An Animal #10 (14:56)
Taxes & Kineses #10 (8:21)
Investigate The Concentration Of Glucose In An Unknown Sample #11 (7:58)
Colorimetry & Calibration Curve #11 (12:25)
Serial Dilutions #11 (5:08)
A-LEVEL MATHS SKILLS OVERVIEW
6.1 – Powers. Exponential & Logarithmic Functions (14:03)
6.2 – Estimating Microbial Growth (5:45)
6.3 – Logarithmic Scale (12:01)
A: PHOTOSYNTHESIS
3.5.1 – Biochemistry Key Terms (8:58)
3.5.1 – Introduction To Photosynthesis (5:47)
3.5.1 – The Chloroplast (7:17)
3.5.1 – The Light Dependent Reaction (12:23)
3.5.1 – The Light Independent Reaction (11:01)
3.5.1 – Limiting Factors of Photosynthesis (12:51)
A: RESPIRATION
3.5.2 – Introduction To Respiration (6:37)
3.5.2 – Glycolysis (8:43)
3.5.2 – The Link Reaction (6:06)
3.5.2 – Krebs Cycle (9:48)
3.5.2 – Oxidative Phosphorylation (8:56)
3.5.2 – Anaerobic Respiration – Glycolysis (14:44)
3.5.2 – Respiratory Substrates (7:41)
3.5.2 – Mitochondria (3:50)
A: ENERGY & ECOSYSTEMS
3.5.3 – Introduction To Ecosystems (7:16)
3.5.3 – Productivity (14:54)
3.5.3 – Energy Transfer Through Ecosystems (8:11)
3.5.3 – Increasing Energy Transfer Efficiency (9:01)
3.5.3 – Measuring Biomass (7:11)
3.5.4 – The Nitrogen Cycle (9:43)
3.5.4 – The Phosphorus Cycle (5:28)
3.5.4 – Microorganisms & Nutrient Cycles (5:02)
3.5.4 – Fertilisers, Leaching & Eutrophication (9:18)
A: STIMULI & RESPONSE
3.6.1.1 – Plant Growth Factors (10:16)
3.6.1.1 – Taxes & Kineses (8:21)
3.6.1.1 – Reflexes (5:08)
3.6.1.2 – Pacinian Corpuscle (6:46)
3.6.1.2 – The Human Eye (15:24)
3.6.1.3 – The Human Heart (13:30)
3.6.1.3 – Control of Heart Rate (11:39)
3.6.1.3 – Changing Heart Rate (6:24)
A: NERVOUS COORDINATION
3.6.2. – Introduction To The Nervous System (6:01)
3.6.2.1 – Receptors & Neurones (7:20)
3.6.2.1 – Resting Potential (7:17)
3.6.2.1 – Action Potentials (11:30)
3.6.2.1 – All or Nothing Law (13:27)
3.6.2.1 – Myelination & Saltatory Conduction (8:22)
3.6.2.2 – Synapses (14:17)
3.6.2.2 – The Role of Synapses (9:27)
3.6.2.2 – Neuromuscular Junctions (9:28)
A: MUSCLES
3.6.3 – Antagonistic Pairs (6:05)
3.6.3 – Skeletal (Voluntary) Muscle (9:43)
3.6.3 – Sliding Filament Theory (12:04)
3.6.3 – Sarcomere Contraction (10:11)
3.6.3 – ATP & Muscle Contraction (8:19)
3.6.3 – Fast & Slow Twitch Muscle Fibres (5:04)
A: HOMEOSTASIS
3.6.4.1 – Introduction to Homeostasis (4:14)
3.6.4.1 – Positive & Negative Feedback (7:50)
3.6.4.2 – Control of Blood Glucose (8:53)
3.6.4.2 – Glycogenolysis, Glycogenesis & Gluconeogenesis (5:10)
3.6.4.2 – Insulin, Glucagon & Adrenaline (8:44)
3.6.4.2 – Diabetes (8:18)
3.6.4.2 – Second Messengers (8:21)
3.6.4.3 – The Kidneys (8:43)
3.6.4.3 – Ultrafiltration (9:42)
3.6.4.3 – Selective Reabsorption (8:12)
3.6.4.3 – The Loop of Henle (8:36)
3.6.4.3 – Osmoregulation & Antidiuretic Hormone (ADH) (6:48)
A: INHERITANCE
3.7.1 – Inheritance Key Terms (10:52)
3.7.1 – Monohybrid Inheritance (7:33)
3.7.1 – Dihybrid Inheritance (14:01)
3.7.1 – Codominance & Multiple Alleles (4:38)
3.7.1 – Epistasis (7:50)
3.7.1 – Autosomal Linkage (13:37)
3.7.1 – Sex Linkage (10:18)
3.7.1 – Normal Phenotypic Ratios (7:58)
3.7.1 – Non-Normal Phenotypic Ratios (15:06)
A: POPULATIONS & EVOLUTION
3.7.2 – Population Key Terms (5:41)
3.7.2 – The Hardy-Weinberg Principle (11:57)
3.7.3 – Variation (10:42)
3.7.3 – Speciation (9:55)
3.7.3 – Genetic Drift (10:22)
3.7.3 – Directional & Stabilising Selection (5:18)
3.7.3 – Disruptive Selection (8:18)
3.7.4 – Abundance & Distribution of Organisms (10:22)
3.7.4 – The Niche Concept (6:32)
3.7.4 – Transects & Quadrats (6:57)
3.7.4 – Investigating Populations – Sampling (7:08)
3.7.4 – Mark – Release – Recapture (5:33)
3.7.4 – Succession (7:34)
3.7.4 – Types of Succession (7:49)
A: CONTROL OF GENE EXPRESSION
3.8.1 – Mutations (10:26)
3.8.1 – Affects of Mutations (7:56)
3.8.2.1 – Stem Cells (8:55)
3.8.2.1 – Obtaining Stem Cells (8:00)
3.8.2.1 – Stem Cells & Medicine (7:59)
3.8.2.2 – Transcription Factors (10:37)
3.8.2.2 – Tumour Suppressor Genes & Proto-oncogenes (10:01)
3.8.2.2 – Epigenetics (13:01)
3.8.2.2 – RNA Interference (RNAi) (9:28)
3.8.2.3 – Cancer & Tumours (11:28)
3.8.3 – Genome Projects (10:04)
A: GENE TECHNOLOGY
3.8.4.1 – Isolating Target Genes (12:09)
3.8.4.1 – Inserting Target Genes (13:08)
3.8.4.1 – Marker Genes (6:17)
3.8.4.1 – Polymerase Chain Reaction (PCR) (12:12)
3.8.4.1 – Electrophoresis (6:40)
3.8.4.1 – Summary of Gene Technology (5:31)
3.8.4.1 – Gene Therapy (9:56)
3.8.4.1 – Genetically Modified Organisms (9:24)
3.8.4.2 – DNA Probes (10:44)
3.8.4.2 – Uses of DNA Probes (7:26)
3.8.4.3 – Genetic Fingerprinting (12:30)
AS: PRACTICAL SKILLS
OCR’s Practical Assessment
OCR Practical Skills Handbook
#1 – Biological Drawings (11:00)
#1 – Using A Light Microscope (7:58)
#1 – Slide Preparation (5:49)
#1 – How To Perform A Root Tip Squash (3:47)
#2 – Dissection (2:08)
#3 – Investigating Populations – Sampling (11:35)
#4 – Enzyme / Substrate Concentration Affects The Initial Rate Of Reaction (9:41)
#5 – Colorimetry & Calibration Curves (12:25)
#5 – Serial Dilutions (5:08)
#5 – Investigating Membrane Permeability (5:09)
#5 – The Potometer (13:18)
#6 – Chromatography (10:25)
#6 – Chromatography – Rf Values (9:45)
#6 – Electrophoresis (6:40)
AS: STATISTICS SKILLS
Introduction To Statistics (7:58)
Standard Deviation (14:08)
Students t-Test (11:18)
One Tailed vs Two Tailed Student’s t-test (13:54)
Chi-squared Test (14:10)
Correlation Coefficient (15:41)
AS: MATHS SKILLS
Maths Skills Handbook
Use Of Appropriate Units (16:40)
Decimals & Standard Form (12:37)
Ratios (8:51)
Percentage Change (9:45)
Estimating Results (6:01)
Principles Of Sampling (8:09)
Using An Appropriate Number Of Significant Figures (15:19)
Order Of Magnitude Calculations (8:58)
Averages (6:47)
Probability (10:32)
Scatter Diagrams (5:12)
Tables & Bar Charts (6:08)
Histograms (6:36)
Uncertainties In Measurements (11:38)
Algebraic Symbols (3:28)
Change The Subject Of An Equation (2:27)
Solve Algebraic Equations (3:23)
Tangents (11:46)
Drawing Graphs (4:36)
Straight Line Graphs (7:39)
Circumference & Surface Area Of Circles & Spheres (7:45)
Rectangular & Cylindrical Prisms (10:04)
AS: CELL STRUCTURE 2.1.1
Microscopes (5:36)
Laser Scanning Confocal Microscope (7:20)
Using A Light Microscope. (7:58)
Slide Preparation (5:49)
Magnification & Resolution (8:58)
Eukaryotic Cell Structure (8:54)
Eukaryotic Cell Organelles 1 (8:04)
Eukaryotic Cell Organelles 2 (7:30)
Eukaryotic Cell Organelles 3 (9:53)
Production & Secretion of Proteins (8:43)
Cytoskeleton (8:29)
Prokaryotic Cell Structure (8:34)
Prokaryotes vs Eukaryotes (7:32)
AS: BIOLOGICAL MOLECULES 2.1.2
An Introduction To Water (7:31)
Water As A Solvent (7:24)
Water – Temperature Control (4:42)
Water – Summary (2:45)
An Introduction To The Biological Molecules (4:21)
Condensation & Hydrolysis Reactions (5:48)
An Introduction to Carbohydrates (6:01)
Ribose (3:01)
Polymers Of Carbohydrates (12:01)
Introduction To Lipids (10:28)
The Structure & Function of Lipids (4:37)
An Introduction To Proteins (4:37)
The Structure & Function of Proteins (7:22)
Fibrous & Globular Proteins (9:47)
Cations & Anions (11:50)
The Biuret Test for Proteins (2:19)
The Test for Carbohydrates (3:25)
The Test for Lipids (2:24)
Quantitative Tests For A Substance (9:34)
Colorimetry & Calibration Curve (12:25)
Chromatography (10:25)
Chromatography – Rf Values (9:45)
AS: NUCLEOTIDES & NUCLEIC ACIDS 2.1.3
Nucleic Acids (10:27)
Purines & Pyrimidines (3:58)
ATP (6:57)
Purification of DNA by Precipitation (6:31)
Semi-conservative DNA Replication (15:24)
Protein Synthesis – Transcription (9:44)
Protein Synthesis – Translation (8:56)
DNA & Protein Synthesis Key Terms (10:57)
DNA is Universal, Non-overlapping & Degenerate (5:43)
DNA, Genes & Chromosomes (9:40)
Gene Mutations (8:01)
AS: ENZYMES 2.1.4
Factors Affecting The Rate Of Enzyme Controlled Reactions – Introduction (7:42)
Factors Affecting The Rate Of Enzyme Controlled Reactions – pH (4:13)
Factors Affecting The Rate Of Enzyme Controlled Reactions – Enzyme And Substrate Concentration (5:45)
Factors Affecting The Rate Of Enzyme Controlled Reactions – Inhibitors (6:45)
Intracellular & Extracellular Enzymes (5:34)
The Temperature Coefficient (Q10) (6:30)
The Answer To ALL The Enzyme Questions (4:40)
Coenzymes, Cofactors & Prosthetic Groups (9:59)
Types of Enzyme Inhibition (10:31)
AS: BIOLOGICAL MEMBRANES 2.1.5
Roles of Cell Membranes. (6:51)
Cell Membranes (7:03)
Factors Affecting Membrane Permeability (9:58)
Transport Across Membranes – Diffusion (11:38)
Transport Across Membranes – Facilitated Diffusion (9:20)
Transport Across Membranes – Active Transport & Co-transport (3:18)
Transport Across Membranes – Exocytosis & Endocytosis (8:52)
Transport Across Membranes – Osmosis (5:59)
Diffusion Rates In Model Cells (6:50)
Investigating Membrane Permeability (5:09)
Effects of Osmosis on Plant & Animal Cells (9:47)
AS: CELL DIVISION & ORGANISATION 2.1.6
Cell Cycle & Mitosis (11:13)
Mitosis (13:28)
Meiosis Key Terms (4:56)
Before Meiosis (9:14)
Meiosis (12:17)
Cellular Organisation (5:24)
Specialised Animal Cells (10:31)
Meiosis & Genetic Variation (8:21)
Specialised Plant Cells (10:12)
Plant & Animal Tissues (6:57)
Stem Cells (8:55)
Stem Cell Differentiation (8:11)
Stem Cells & Medicine (7:59)
AS: EXCHANGE SURFACES 3.1.1
Surface Area to Volume Ratio (7:00)
Gas Exchange In Humans (7:14)
Mammalian Gaseous Exchange System (5:32)
Mechanics of Breathing (6:06)
Ventilation in Humans (7:03)
Gas Exchange In Insects & Fish (8:25)
Ventilation in Bony Fish (6:09)
AS: TRANSPORT IN ANIMALS 3.1.2
Blood Vessels (5:34)
Circulatory Systems (7:42)
The Formation & Return of Tissue Fluid (8:56)
Structure Of The Human Heart (12:46)
The Cardiac Cycle (11:39)
Electrocardiogram Trace (ECG) (9:49)
Cardiac Cycle Graphs (12:34)
Heamoglobin & Bohr Effect (8:55)
Comparing Haemoglobin in Different Organisms (6:44)
Adult & Fetal Haemoglobin (6:37)
The Chloride Shift & The Bohr Effect (13:08)
AS: TRANSPORT IN PLANTS 3.1.3
Distribution of Xylem & Phloem (10:28)
Mass Transport in Plants – Xylem (5:41)
Mass Transport in Plants – Phloem (6:44)
Mass Flow Hypothesis – Translocation (5:49)
Apoplast, Symplast & Vacuolar Pathways (13:03)
Gas Exchange In Plants (6:42)
Hydrophytes (4:47)
AS: THE IMMUNE SYSTEM 4.1.1
Communicable Diseases (13:12)
Viruses (4:36)
Plant Defences Against Pathogens (4:32)
Non-Specific Defence Against Pathogens (6:25)
Blood Clotting (6:00)
The Immune System: Key Terms (7:27)
Specific Immune Response: Phagocytosis (11:18)
Specific Immune Response: T-Lymphocytes (9:29)
Specific Immune Response: B-Lymphocytes (7:56)
Memory Cells, Aggultinins & Anti-toxins (6:28)
Antibodies, Primary & Secondary Response (8:47)
Active & Passive Immunity (4:42)
Autoimmune Diseases (3:45)
Vaccines & Antigenic Variability (7:26)
Possible Sources of Medicines (4:50)
Personalised Medicines & Synthetic Biology (3:16)
Antibiotics (5:45)
AS: BIODIVERSITY 4.2.1
Types of Biodiversity (6:17)
Investigating Diversity (9:47)
Investigating Populations – Sampling (11:35)
Species Richness Vs. Species Evenness (6:00)
Simpson’s Index of Diversity (12:10)
Calculating Genetic Biodiversity (11:41)
Factors Affecting Biodiversity (8:13)
Reasons For Maintaining Biodiversity (7:19)
In Situ & Ex Situ Conservation (10:22)
Conservation Agreements (5:57)
AS: CLASSIFICATION & EVOLUTION 4.2.2
Classification (11:57)
Phylogeny (11:28)
Features Of The Five Kingdoms (7:54)
Evidence For Evolution (7:09)
Genetic Diversity & Adaptation (3:42)
Selection Pressures (5:18)
Variation (10:42)
Convergent Evolution (4:39)
Evolution of Resistance (6:47)
A: PRACTICAL SKILLS
#7 – Investigate The Effect Of Antimicrobial Substances On Microbial Growth
#8 – Identifying The Water Potential Of Plant Tissue
#9 – Quantitative Tests For A Substance
#11 – Investigate The Effects Of Exercise On The Cardiovascular System
#12 – Investigate The Rate Of Respiration In Yeast
A: MATHS SKILLS
Powers. Exponential & Logarithmic Functions (14:03)
Estimating Microbial Growth (5:45)
Logarithmic Scale (12:01)
A: COMMUNICATION & HOMEOSTASIS 5.1.1
Positive & Negative Feedback (7:50)
Control of Body Temperature (9:57)
Endotherms & Ectotherms (6:10)
A: EXCRETION & HOMEOSTATIC CONTROL 5.1.2
The Liver (9:53)
Histology of the Liver (11:35)
The Ornithine Cycle (10:28)
The Kidneys (8:43)
Histology of the Kidney
Treatments of Kidney Failure (11:17)
Ultrafiltration (9:42)
Selective Reabsorption (8:12)
The Loop of Henle (8:36)
Osmoregulation & Antidiuretic Hormone (ADH) (6:48)
Kidney Failure (4:25)
Excretory Products (12:01)
Histology of the Pancreas
A: NEURONAL COMMUNICATION 5.1.3
Introduction To The Nervous System (6:01)
Receptors & Neurones (7:20)
Resting Potential (7:17)
Action Potentials (11:30)
All or Nothing Law (13:27)
Myelination & Saltatory Conduction (8:22)
Pacinian Corpuscle (6:46)
Synapses (14:17)
The Role of Synapses (9:27)
A: HORMONAL COMMUNICATION 5.1.4
The Pancreas & Adrenal Glands (9:43)
Control of Blood Glucose (8:53)
Control of Insulin Secretion (12:31)
Glycogenolysis, Glycogenesis & Gluconeogenesis (5:10)
Insulin, Glucagon & Adrenaline (5:53)
Diabetes (8:18)
Treatments of Diabetes Mellitus (8:33)
A: PLANT & ANIMAL RESPONSES 5.1.5
Plant Responses – Growth Hormones (10:16)
Plant Responses to Herbivory (4:15)
Apical Dominance (5:31)
Summary of Plant Hormones (10:56)
Reflexes (7:06)
Fight or Flight Response (6:14)
Second Messengers (cAMP) (8:21)
The Human Brain (7:28)
Neuromuscular Junctions (9:28)
Skeletal (Voluntary) Muscle (9:43)
Sliding Filament Theory (12:04)
Sarcomere Contraction (10:11)
ATP & Muscle Contraction (8:19)
Types of Muscle (10:06)
A: PHOTOSYNTHESIS 5.2.1
Biochemistry Key Terms (8:58)
Introduction To Photosynthesis (5:47)
The Chloroplast (7:17)
Photosystems (7:48)
The Light Dependent Reaction (12:23)
Cyclic Photophosphorylation (7:14)
Chemiosmotic Theory (4:00)
The Light Independent Reaction (The Calvin Cycle) (11:01)
Limiting Factors of Photosynthesis (12:51)
A: RESPIRATION 5.2.2
Introduction To Respiration (6:37)
Glycolysis (8:43)
The Link Reaction (6:06)
Krebs Cycle (9:48)
Oxidative Phosphorylation (8:35)
Anaerobic Respiration – Glycolysis (14:44)
Respiratory Substrates (7:41)
Respiratory Quotient (6:31)
A: CELLULAR CONTROL 6.1.1
Transcription (9:44)
Transcription Factors (10:37)
The lac Operon (11:24)
Cyclic AMP (8:21)
Mutations (6:56)
Affects of Mutations (7:56)
Homeobox Genes (8:47)
Apoptosis (6:01)
A: PATTERNS OF INHERITANCE 6.1.2
Inheritance Key Terms (10:52)
Monohybrid Inheritance (7:33)
Dihybrid Inheritance (14:01)
Codominance & Multiple Allelesa (4:38)
Autosomal Linkage (13:37)
Sex Linkage (10:18)
Epistasis (7:50)
Normal Phenotypic Ratios (7:58)
Non-Normal Phenotypic Ratios (15:06)
Variation (10:42)
Meiosis & Genetic Variation (8:21)
Random Fertilisation (4:34)
Directional & Stabilising Selection (5:18)
Genetic Bottlenecks & The Founder Effect (8:48)
Genetic Drift (10:22)
Population Key Terms (5:41)
The Hardy-Weinberg Principle (11:57)
Speciation (9:55)
Artificial Selection (8:14)
A: MANIPULATING GENOMES 6.1.3
Comparing Genomes (8:09)
DNA Profiling (12:42)
Genome Projects (10:04)
Isolating Target Genes (7:59)
Inserting Target Genes (11:16)
Polymerase Chain Reaction (PCR) (12:12)
Electrophoresis (6:40)
Gene Therapy (9:56)
Summary of Gene Technology (5:31)
Genetically Modified Organisms (9:24)
A: CLONING & BIOTECHNOLOGY 6.2.1
Natural Plant Cloning (9:00)
Artificial Plant Cloning (7:50)
Cloning Animals (10:15)
Advantages & Disadvantages of Cloning (7:31)
Microorganisms & Biotechnology (7:49)
Aseptic Technique (3:34)
Batch & Continuous Culture (11:25)
Immobilised Enzymes (6:36)
A: ECOSYSTEMS 6.3.1
Introduction To Ecosystems (7:16)
Productivity (14:54)
Energy Transfer Efficiency Through Ecosystems (8:11)
Increasing Energy Transfer Efficiency (9:01)
Measuring Biomass (7:11)
Succession (7:34)
Types of Succession (7:49)
The Nitrogen Cycle (11:46)
The Carbon Cycle (5:55)
A: POPULATIONS & SUSTAINABILITY 6.3.2
Abundance & Distribution of Organisms (10:22)
The Niche Concept (6:32)
Conservation & Preservation (5:17)
Managing Ecosystems (7:46)
Investigating Populations – Sampling (11:35)
Transects & Quadrats (9:09)
Ecosystem Management (14:39)
Environmentally Sensitive Ecosystems (15:08)
AS: PRACTICAL SKILLS
#1 – Investigate The Effect of Caffeine On Heart Rate In Daphnia (6:28)
#2 – Investigate The Vitamin C Content Of Food & Drink (7:51)
#3 – Investigating Membrane Permeability (5:09)
#4 – Investigate The Effect Of Enzyme or Substrate Concentration On The Initial Rate Of Reaction (9:41)
#5 – How To Perform A Root Tip Squash (3:47)
#6 – Using A Light Microscope (7:58)
#7 – Investigate Plant Mineral Deficiencies (5:48)
#8 – Determine The Tensile Strength Of Plant Fibres (4:51)
#9 – Investigate The Effect Of Antimicrobial Substances On Microbial Growth (10:34)
#9 – Core Practical #9 Vs. Core Practical #15 (7:58)
APPARATUS & TECHNIQUES
The Potometer (13:18)
Serial Dilutions (5:08)
Colorimetry & Calibration Curve (12:25)
Biological Drawings (11:00)
Chromatography (10:25)
Dissection (5:04)
Aseptic Technique (3:34)
AS: MATHS SKILLS
Use Of Appropriate Units (16:40)
Decimals & Standard Form (12:37)
Ratios (8:51)
Percentage Change (9:45)
Estimation (6:01)
Principles Of Sampling (8:09)
Using An Appropriate Number Of Significant Figures (15:19)
Order Of Magnitude Calculations (8:58)
Averages (6:47)
Probability (10:32)
Scatter Diagrams (5:12)
Tables & Bar Charts (6:08)
Histograms (6:36)
Uncertainties In Measurements (11:38)
Algebraic Symbols (3:28)
Change The Subject Of An Equation (2:27)
Solve Algebraic Equations (3:23)
Drawing Graphs (4:36)
Tangents (11:46)
Straight Line Graphs (7:39)
Circumference & Surface Area Of Circles & Spheres (7:45)
Rectangular & Cylindrical Prisms (10:04)
STATISTICS SKILLS
Introduction To Statistics (7:58)
Standard Deviation (14:08)
Students t-Test (11:18)
Chi-squared Test (14:10)
Correlation Coefficient (15:41)
AS: MASS TRANSPORT IN ANIMALS (TOPIC 1)
Mass Flow In Animals (4:16)
An Introduction To Water (7:31)
Water As A Solvent (7:24)
Blood Vessels (5:34)
Structure Of The Human Heart (9:30)
AS: CARDIOVASCULAR DISEASE (TOPIC 1)
Cardiovascular Disease (CVD) (7:12)
Atherosclerosis (2:59)
Blood Clotting (6:00)
The Cardiac Cycle (11:39)
Cardiac Cycle Graphs (12:34)
Cholesterol, HDL’s & LDL’s (6:48)
The Ethics Of Using Invertebrates (2:30)
Energy Budget & Diet (5:51)
Treatments For Cardiovascular Disease (8:55)
AS: CARBOHYDRATES & LIPIDS (TOPIC 1)
An Introduction To The Biological Molecules (4:21)
An Introduction to Carbohydrates (6:01)
Condensation & Hydrolysis Reactions (5:48)
Polymers Of Carbohydrates (12:01)
Introduction To Lipids (10:28)
The Structure & Function of Lipids (4:37)
The Biological Molecules: Quiz
AS: TRANSPORT ACROSS MEMBRANES (TOPIC 2)
Surface Area to Volume Ratio (7:00)
Cell Membranes (7:03)
Gas Exchange In Humans (7:14)
Diffusion (11:38)
Fick’s Law Of Diffusion (8:01)
Facilitated Diffusion (9:20)
Active Transport & Co-transport (3:18)
Exocytosis & Endocytosis (8:52)
Osmosis (5:59)
AS: DNA & PROTEIN SYNTHESIS (TOPIC 2)
ATP (6:37)
Nucleic Acids (10:27)
DNA is Universal, Non-overlapping & Degenerate (5:43)
Protein Synthesis – Transcription (9:44)
Protein Synthesis – Translation (8:56)
Semi-conservative DNA Replication (15:24)
Proving DNA Replication Is Semi-conservative (14:10)
DNA & Protein Synthesis Key Terms (10:57)
Nucleic Acids Quiz
AS: PROTEINS & ENZYMES (TOPIC 2)
An Introduction To Proteins (4:37)
The Structure & Function of Proteins (7:22)
Fibrous & Globular Proteins (9:47)
Enzyme Reactions – Temperature (7:42)
Enzyme Reactions – pH (4:13)
Enzyme Reactions – Enzyme & Substrate Concentration (5:45)
Intracellular & Extracellular Enzymes (5:33)
The Answer To ALL The Enzyme Questions (4:40)
Enzymes: Quiz
AS: GENES AND HEALTH (TOPIC 2)
Gene Mutations (8:01)
Affects of Mutations (7:56)
Inheritance Key Terms (10:52)
Monohybrid Inheritance (7:33)
Cystic Fibrosis (7:42)
Genetic Screening (6:30)
Social & Ethical Issues Of Genetic Screening (3:58)
AS: CELLS & ORGANELLES (TOPIC 3)
Eukaryotic Cell Structure (8:54)
Eukaryotic Cell Organelles 1 (8:04)
Eukaryotic Cell Organelles 2 (7:30)
Eukaryotic Cell Organelles 3 (4:30)
Cell Fractionation (6:02)
Mammalian Gametes (7:33)
Fertilisation & The Acrosome Reaction (4:46)
Prokaryotic Cell Structure (8:21)
Prokaryotes vs Eukaryotes (7:32)
Specialised Cells (5:24)
AS: CELL DIVISION (TOPIC 3)
DNA, Genes & Chromosomes (9:40)
Cell Division (4:56)
Before Meiosis (9:14)
Meiosis & Genetic Variation (8:21)
Mitosis (13:28)
AS: GENES & INHERITANCE (TOPIC 3)
Inheritance Key Terms (10:52)
Sex Linkage (10:18)
Autosomal Linkage (13:37)
Stem Cells (8:55)
Stem Cells & Medicine (7:59)
The lac Operon (11:25)
Epigenetics (13:02)
Codominance & Multiple Alleles (4:38)
Polygenic Inheritance (3:17)
AS: BIODIVERSITY (TOPIC 4)
Biodiversity (7:17)
Heterozygosity Index (4:19)
Reasons For Maintaining Biodiversity (7:19)
Index Of Diversity (6:35)
Conservation Of Endangered Species – Zoos (8:11)
Conservation Of Endangered Species – Seed Banks (5:17)
AS: ADAPTATION & TAXOMONY (TOPIC 4)
Speciation (9:55)
Variation (10:42)
The Hardy-Weinberg Principle (11:57)
Classification (11:57)
Phylogeny (11:28)
AS: PLANTS & TRANSPORT (TOPIC 4)
Plant Cell Structure (10:04)
Cellulose & Starch (10:50)
Plant Cell Walls (8:56)
Mass Transport in Plants – Xylem (5:41)
Mass Transport in Plants – Phloem (6:44)
Mass Flow Hypothesis – Translocation (5:49)
Distribution of Xylem, Phloem & Sclerenchyma (8:04)
Inorganic Ions (4:33)
Drug Testing (9:00)
Aseptic Technique (3:34)
Plant Fibres & Starch (2:55)
A: PRACTICAL SKILLS
#10 – Carry Out A Study On The Ecology Of A Habitat (7:08)
#11 – Investigate The Rate Of The Light Dependent Reaction In Isolated Chloroplasts (16:21)
#12 – The Temperature Coefficient (Q10) (6:30)
#13 – The Effects Of Temperature On The Development Of An Organism (8:30)
#14 – Gel Electrophoresis (6:40)
#15 – Core Practical #9 Vs. Core Practical #15 (7:58)
#16 – Investigate The Rate Of Respiration In Yeast (16:41)
#17 – Investigate The Effects Of Exercise On The Cardiovascular System (15:58)
#18 – Investigate Habituation To A Stimulus (10:13)
#19 – Investigate The Effect Of Antimicrobial Substances On Microbial Growth (10:34)
A: MATHS SKILLS
Powers. Exponential & Logarithmic Functions (14:03)
Logarithmic Scale (12:01)
A: ENERGY & ECOSYSTEMS (TOPIC 5)
Abundance & Distribution of Organisms (10:22)
Transects & Quadrats (9:09)
Introduction To Ecosystems (7:16)
The Niche Concept (6:32)
Productivity (14:54)
Energy Transfer Efficiency Through Ecosystems (8:11)
Increasing Energy Transfer Efficiency (9:01)
A: PHOTOSYNTHESIS (TOPIC 5)
Biochemistry Key Terms (8:58)
Introduction To Photosynthesis (5:47)
The Chloroplast (7:17)
The Light Dependent Reaction (12:23)
The Light Independent Reaction (The Calvin Cycle) (9:07)
A: CLIMATE CHANGE (TOPIC 5)
Effects of Climate Change (5:23)
The Temperature Coefficient (Q10) (6:30)
Evidence for Climate Change (8:15)
Anthropogenic Causes of Climate Change (9:15)
The Scientific Community (4:41)
The Carbon Cycle (5:55)
A: POPULATIONS & EVOLUTION (TOPIC 5)
Population Key Terms (5:41)
Investigating Populations – Sampling (7:08)
Succession (7:34)
Types of Succession (7:49)
Variation (10:42)
Speciation (9:55)
Evidence For Evolution (7:09)
A: FORENSICS (TOPIC 6)
Decomposition- Time of Death of a Mammal (9:35)
DNA Profiling (12:42)
Polymerase Chain Reaction (PCR) (12:12)
Electrophoresis (6:40)
A: INFECTION (TOPIC 6)
Structure of a Virus (4:36)
Virus Replication (HIV) (9:38)
Structure of a Prokaryote (8:21)
Tuberculosis (T.B.) (3:42)
Infection By Pathogens (8:04)
An Evolutionary Race (7:41)
Antibiotics (9:36)
A: IMMUNITY & HEALTH (TOPIC 6)
Non-specific Immune Response (7:41)
Phagocytosis (8:10)
T-cells & B-cells (8:46)
Antibodies, Primary & Secondary Response (8:47)
Vaccines & Antigenic Variability (7:26)
Active & Passive Immunity (4:41)
One Gene Can Code For More Than One Protein (7:28)
A: MUSCLES (TOPIC 7)
Antagonistic Pairs (6:05)
Skeletal (Voluntary) Muscle (9:43)
Sliding Filament Theory (12:12)
Sarcomere Contraction (10:11)
Fast & Slow Twitch Muscle Fibres (5:04)
A: RESPIRATION (TOPIC 7)
Introduction To Respiration (6:37)
Mitochondria (3:50)
Glycolysis (8:43)
The Link Reaction (6:06)
Krebs Cycle (9:48)
Oxidative Phosphorylation (8:35)
Chemiosmotic Theory (4:00)
Anaerobic Respiration – Glycolysis (14:44)
Lactate (4:59)
Respiratory Substrates (7:41)
A: THE HEART (TOPIC 7)
The Human Heart (13:30)
Control of Heart Rate (11:39)
Changing Heart Rate (6:24)
Electrocardiogram (ECG) (9:49)
A: HOMEOSTASIS & EXCERCISE (TOPIC 7)
Positive & Negative Feedback (7:50)
Control of Body Temperature (9:57)
Ventilation (7:03)
Keyhole Surgery & Prostheses (4:10)
Performance Enhancing Drugs (4:27)
A: CONTROL OF GENE EXPRESSION (TOPIC 7)
Transcription Factors (10:37)
Second Messengers (8:21)
A: NERVOUS COORDINATION (TOPIC 8)
Introduction To The Nervous System (6:01)
Receptors & Neurones (7:20)
Resting Potential (7:17)
Action Potentials (11:30)
All or Nothing Law (13:27)
Myelination & Saltatory Conduction (5:59)
Synapses (14:17)
A: STIMULI & RESPONSE (TOPIC 8)
Reflexes (7:06)
Plant Growth Factors (10:16)
Phytochrome (9:00)
The Human Eye (15:24)
Rhodopsin, Opsin & Retinal (9:48)
Pupil Dilation & Constriction (5:08)
A: THE BRAIN (TOPIC 8)
The Human Brain (7:28)
Scanners & Medical Diagnosis (11:37)
Habituation (3:37)
Brain Development (9:43)
Visual Development In Mammals (7:19)
Animals & Medical Research (4:38)
Parkinson’s Disease & Depression (9:57)
A: GENE TECHNOLOGY (TOPIC 8)
Isolating Target Genes (7:59)
Inserting Target Genes (13:08)
Genome Projects (10:04)
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AS: ATOMIC STRUCTURE
Atomic Structure & Bonding [EDEXCEL P1 ’17 Q1] (15:20)
AS: RELATIVE MASS & AMOUNT OF SUBSTANCE
TOF Mass Spectrometer [AQA ASP1 ’15 Q2] (16:04)
PV = nRT (CALC) [AQA ASP1 ’15 Q7] (14:48)
Mass Spectrometry [AQA P3 ’15 Q5] (11:57)
Mass Spectroscopy [AQA P1 ’17 Q4] (22:26)
Periodic Table + Mass Spec [AQA P1 ’18 Q4] (40:16)
AS: BONDING
Bonding / VSEPR [AQA P1 ’15 Q1] (16:59)
AS: ENERGETICS
Hess, Mean Bond Enthalpies & VSEPR [AQA ASP1 ’15 Q3] (21:07)
Enthalpy Prac [EDEXCEL P3 ’17 Q4] (40:26)
Enthalpy of Combustion / mCAT (PRAC) [AQA ASP2 ’15 Q2] (18:47)
AS: CHEMICAL EQUILIBRIA
Equilibria & Kc [AQA ASP1 ’15 Q4] (19:11)
Titration, Equilbria & Practical [AQA P3 ’15 Q2] (23:42)
Kc Calculation [AQA P2 ’18 Q4] (21:21)
AS: OXIDATION & REDUCTION
REDOX [EDEXCEL ASP1 ’15 Q4] (15:23)
AS: PERIOD 3 CHEMISTRY
Period 3 Chemistry [AQA P1 ’15 Q2] (17:22)
AS: GROUP 2 CHEMISTRY
Group 2 Chemistry [AQA ASP1 ’15 Q1] (14:20)
AS: GROUP 7 CHEMISTRY
Group 7 Chemistry (LOR) [AQA ASP1 ’15 Q5] (24:02)
AS: ORGANIC CHEMISTRY
Alkanes [AQA P2 ’18 Q1] (15:35)
Cracking, Polymerisation & Reaction Conditions in Industry [AQA ASP2 ’15 Q6] (21:18)
Alkenes [AQA ASP2 ’15 Q12] (11:32)
Alkenes & Geometrical Isomers (LOR) [AQA ASP2 ’15 Q1] (23:55)
Alkenes + Bromine Titration (BIG CALC) [AQA ASP2 ’15 Q7] (25:08)
Haloalkane Elimination Mechanism [AQA ASP2 ’15 Q3] (11:40)
Haloalkanes & Ozone [AQA ASP2 ’15 Q5] (16:36)
Alcohol Production & Chemistry [AQA ASP2 ’15 Q4] (20:48)
AS: MULTITOPIC & MULTIPLE CHOICE
Inorganic MCQs [AQA ASP1 ’15 Q8-22] (27:55)
Organic MCQ [AQA ASP2 ’15 Q8-22] (29:50)
AS: BIG CALCULATIONS
Water of Crystallisation [AQA P1 ’18 Q10] (17:58)
AS: PRACTICAL CHEMISTRY
Back Titration (PRAC) [AQA ASP1 ’15 Q6] (24:35)
Inorganic Ion Testing [AQA P1 ’17 Q8] (9:15)
Reflux & Distillation [AQA P3 ’15 Q1] (26:02)
AS: LEVEL OF RESPONSE QUESTIONS
Electron Pair Repulsion [AQA P1 ’15 Q1] (16:59)
Structure & Bonding + Gas Calc [AQA P1 ’18 Q8] (32:16)
A: THERMODYNAMICS
Enthalpy & Equilibria [AQA P1 ’15 Q4] (31:36)
Enthalpy & Entropy [AQA P1 ’15 Q5] (16:20)
Lattice Enthalpy [AQA P1 ’15 Q9] (20:22)
Enthalpy & Entropy [AQA P1 ’17 Q1] (13:39)
Enthalpy & Entropy [AQA P1 ’17 Q5] (8:27)
Enthalpy – Practical [AQA P3 ’17 Q1] (30:54)
Enthalpy – Born-Haber [AQA P1 ’18 Q1] (11:52)
Entropy + Kinetics [AQA P1 ’18 Q3] (23:53)
A: RATE EQUATIONS
Rates [AQA P2 ’15 Q1] (30:45)
Rates [AQA P2 ’15 Q2] (15:43)
Rates [AQA P2 ’17 Q2] (9:56)
Rates [AQA P2 ’17 Q3] (13:45)
A: THE EQUILIBRIUM CONSTANT
Equilibria [AQA P1 ’17 Q9] (25:16)
Equilibria [AQA P2 ’17 Q5] (20:40)
Equilibria – Kp [AQA P1 ’18 Q2] (19:47)
A: ELECTROCHEMISTRY
Electrochemistry [AQA P1 ’15 Q3] (17:01)
REDOX [AQA P1 ’15 Q7] (22:59)
Electrochemistry [AQA P1 ’17 Q10] (18:15)
Electrochemistry [AQA P1 ’18 Q6] (17:03)
A: ACIDS & BASES
Acids & Bases [AQA P1 ’15 Q6] (22:47)
Acids & Bases & REDOX [AQA P3 ’15 Q4] (28:50)
Acids & Bases [AQA P1 ’17 Q2] (21:10)
Acids & Bases [AQA P1 ’17 Q3] (16:01)
Acids & Bases (Prac) [AQA P3 ’17 Q4] (20:01)
A: PERIOD 3 ELEMENTS & THEIR OXIDES
Period 3 Chemistry [AQA P1 ’17 Q6] (21:27)
P3 Oxides [AQA P3 ’18 Q2] (21:30)
A: TRANSITION METALS
Transition Metals [AQA P1 ’15 Q8] (21:13)
Transition Metals [AQA P1 ’17 Q7] (18:35)
Aluminium Complexes [AQA P1 ’18 Q7] (22:06)
REDOX + Complex Ions [AQA P1 ’18 Q9] (20:20)
A: REACTIONS OF IONS IN SOLUTION
Inorganic Ion Testing [AQA P1 ’15 Q10] (17:41)
A: ALIPHATIC CHEMISTRY
Alkanes [AQA P2 ’15 Q3] (28:37)
Alcohols [AQA P2 ’15 Q4] (16:24)
Alcohols & Practical [AQA P3 ’15 Q1] (26:02)
Carbonyls [AQA P2 ’15 Q11] (14:01)
Carbonyls & Stereoisomerism [AQA P2 ’17 Q4] (14:48)
A: AROMATIC CHEMISTRY
Benzene – Elec Add + Esterification [AQA P2 ’18 Q7] (16:14)
A: ORGANO-NITROGEN, POLYMERS, PROTEINS & DNA
Amines & Organic Synthesis [AQA P2 ’17 Q11] (18:10)
Amides [AQA P2 ’17 Q6] (20:41)
Polymers [AQA P2 ’15 Q7] (12:33)
Amino Acids [AQA P2 ’15 Q6] (14:41)
Protein Structure [AQA P2 ’18 Q8] (11:42)
DNA [AQA P2 ’15 Q8] (16:46)
DNA [AQA P2 ’17 Q9] (10:39)
DNA [AQA P2 ’15 Q5] (9:10)
DNA [AQA P2 ’18 Q9] (11:49)
A: ORGANIC SYNTHESIS
Organic Synthesis (Prac) [AQA P3 ’17 Q3] (35:13)
Organic Synthesis [AQA P2 ’17 Q1] (19:03)
Organic Synthesis [AQA P2 ’15] Q9 (30:26)
Halogenoalkanes + Organic Synthesis [AQA P2 ’18 Q2] (17:11)
A: NMR SPECTROSCOPY & CHROMATOGRAPHY
Organic Identification [AQA P2 ’17 Q7] (11:46)
Organic Analysis [AQA P2 ’15 Q10] (19:58)
Organic Analysis [AQA P2 ’17 Q10] (43:56)
Amines + Organic Analysis [AQA P2 ’18 Q10] (24:21)
Organic Analysis – C-NMR [AQA P2 ’18 Q11] (12:25)
Chromatography [AQA P3 ’15 Q3] (21:51)
Chromatography [AQA P2 ’17 Q8] (26:51)
A: MULTITOPIC & MULTIPLE CHOICE
Mixed – H2SO4 Questions [AQA P3 ’17 Q2] (27:33)
Multiple Choice [AQA P3 ’15 Q6-15] (18:56)
Multiple Choice [AQA P3 ’15 Q16-25] (17:53)
Multiple Choice [AQA P3 ’15 Q 26-35] (17:25)
Multiple Choice] [AQA P3 ’17 Q5-14] (19:09)
Multiple Choice [AQA P3 ’17 Q15-24] (18:10)
Multiple Choice [AQA P3 ’17 Q25-34] (26:04)
Multiple Choice [AQA P3 ’18 Q5-15] (18:00)
Multiple Choice [AQA P3 ’18 Q16-25] (15:20)
Multiple Choice [AQA P3 ’18 Q26-34] (21:45)
A: BIG CALCULATIONS
Acids & Bases [AQA P1 ’18 Q5] (33:59)
Buffer Calculation [AQA P1 ’17 Q2] (21:10)
Buffer & REDOX Calculation [AQA P3 ’15 Q4] (28:50)
REDOX Calculation [AQA P1 ’15 Q7] (22:59)
REDOX Titration [AQA P1 ’17 Q11] (31:40)
Kc Calculation [AQA P3 ’15 Q2] (23:42)
Kp Calculation [AQA P1 ’15 Q4] (31:36)
Gibbs Calculation [AQA P1 ’17 Q5] (8:27)
Rate Calculation + Arrhenius [AQA P2 ’18 Q5] (26:00)
Arrhenius Calculation [AQA P2 ’17 Q3] (13:45)
A: PRACTICAL CHEMISTRY
Recrystallisation [AQA P2 ’15 Q9] (30:26)
Chromatography [AQA P3 ’15 Q3] (21:51)
REDOX Titration [AQA P1 ’17 Q11] (31:40)
Enthalpy of Solution Practical [AQA P3 ’17 Q1] (30:54)
Producing Benzoic Acid [AQA P3 ’17 Q3] (35:13)
Enthalpy Practical [AQA P3 ’18 Q4] (31:24)
Alcohols + Practical Chemistry + MCAT [AQA P2 ’18 Q3] (35:30)
Practical Chemistry – Liquid Org Product [AQA P3 ’18 Q3] (34:13)
A: LEVEL OF RESPONSE QUESTIONS
Carbonyl Chemistry [AQA P2 ’15 Q11] (14:01)
Carboxylic Acids [AQA P3 ’15 Q4] (28:50)
Equilibria [AQA P1 ’17 Q9] (25:16)
Organic I.D. [AQA P2 ’17 Q7] (11:46)
Enthalpy of Solution [AQA P3 ’17 Q1] (30:54)
Benzene Structure [AQA P2 ’18 Q6] (21:42)
Rates [AQA P3 ’18 Q1] (41:13)
AS: ATOMIC STRUCTURE & ISOTOPES
Atomic Structure & Bonding [OCR ASP1 ’15 Q20] (19:55)
AS: AMOUNT OF A SUBSTANCE
PV = nRT [OCR ASP2 ’15 Q7] (9:39)
PV = nRT (CALC) [AQA ASP1 ’15 Q7] (14:48)
Prac & Mole Calculation [EDEXCEL ASP1 ’15 Q3] (16:00)
AS: REDOX
REDOX [EDEXCEL ASP1 ’15 Q4] (15:23)
AS: BONDING & STRUCTURE
Bonding [OCR P1 ’17 Q16] (16:36)
Bonding & Calculations [OCR P3 ’17 Q1] (18:56)
AS: GROUP 2
Groups 2 & 7 [OCR P1 ’17 Q17] (22:22)
Group 2 Chemistry [AQA ASP1 ’15 Q1] (14:20)
Group 2 Carbonates (LOR) [EDEXCEL ASP1 ’15 Q5] (22:02)
AS: THE HALOGENS
Groups 2 & 7 [OCR P1 ’15 Q19] (28:06)
Group 7 Chemistry (Mixed Topic) [OCR ASP2 ’15 Q1] (25:25)
Group 7 Chemistry (LOR) [AQA ASP1 ’15 Q5] (24:02)
Group 7 REDOX [EDEXCEL ASP1 ’15 Q7] (29:23)
AS: ENTHALPY CHANGES
Enthalpy & REDOX [OCR P3 ’17 Q2] (28:59)
Standard Enthalpy Changes [EDEXCEL ASP2 ’16 Q2] (10:49)
Hess, Mean Bond Enthalpies & VSEPR [AQA ASP1 ’15 Q3] (21:07)
Enthalpy of Combustion / mCAT (PRAC) [AQA ASP2 ’15 Q2] (18:47)
Enthalpy Prac [EDEXCEL ASP2 ’16 Q5] (26:34)
AS: REACTION RATES
Molar Gas Calc & Rates [OCR ASP1 ’15 Q21] (27:28)
Catalysts & Industrial Reactions [OCR ASP1 ’15 Q24] (17:23)
Rates [OCR P1 ’17 Q19] (23:05)
Maxwell Bolztmann & Mean Bond Enthalpies [EDEXCEL ASP2 ’16 Q4] (17:12)
Kinetics – Hydrolysis of Haloalkanes [EDEXCEL ASP2 ’16 Q6] (20:00)
AS: CHEMICAL EQUILIBRIUM
Equilibria [OCR P1 ’15 Q16] (27:55)
Equilibria [OCR P1 ’17 Q20] (19:18)
Equlibria & Kc [OCR ASP2 ’15 Q3] (20:42)
AS: ORGANIC CHEMISTRY
Free Radical Substitution (PRAC) [OCR ASP1 ’15 Q23] (14:31)
Electrophilic Addition & IR Spec [OCR ASP1 ’15 Q22] (29:14)
Alkenes [OCR P2 ’17 Q16] (43:54)
Haloalkanes [OCR P2 ’18 Q19] (26:08)
Alcohol Synthesis Reactions (LOR) [OCR ASP2 ’15 Q5] (23:53)
AS: ANALYTICAL TECHNIQUES
Polymers & Spectroscopy [OCR ASP2 ’15 Q2] (20:28)
AS: MULTITOPIC & MULTIPLE CHOICE
Multiple Choice [OCR ASP1 ’15 Q1-19] (35:35)
AS: BIG CALCULATIONS
Enthalpy of Combustion Calculation [OCR P1 ’15 Q18] (14:00)
Acids & Bases Titration [OCR P1 ’15 Q19] (28:06)
AS: PRACTICAL CHEMISTRY
Enthalpy of Combustion [OCR P1 ’15 Q18] (14:00)
Making a Standard Solution [OCR P1 ’15 Q20] (32:30)
Titration – Carbonate ID (Prac) [OCR ASP2 ’15 Q6] (22:14)
Inorganic Ion ID [OCR ASP2 ’15 Q4] (19:04)
AS: LEVEL OF RESPONSE
Group 7 REDOX [OCR P1 ’15 Q19] (28:06)
Enthalpy Practical [OCR P3 ’17 Q2] (28:59)
A: HOW FAST?
Rates [OCR P1 ’15 Q17] (15:08)
Rates [OCR P3 ’15 Q4] (20:44)
Rates + Arrhenius [OCR P1 ’18 Q17] (28:02)
Rate & Transition Metals OCR P3 ’18 Q2] (33:32)
Rates & Electrochemistry & Equilibria [OCR P3 ’17 Q3] (28:54)
A: HOW FAR?
Equilibria – Kc+Kp [OCR P1 ’18] Q18 (23:01)
A: ACIDS, BASES & BUFFERS
Acids & Bases [OCR P1 ’15 Q20] (32:30)
Acids & Bases [OCR P1 ’17 Q21] (23:42)
Acids & Bases [OCR P1 ’18 Q19] (21:43)
A: LATTICE ENTHALPY & ENTROPY
Enthalpy & Entropy [OCR P1 ’15 Q18] (14:00)
Enthalpy & Entropy [OCR P1 ’17 Q18] (24:27)
Lattice Enthalpy + Mean Bond [OCR P1 ’18 Q16] (23:41)
Enthalpy + Equilibria [OCR P3 ’18 Q5] (25:26)
A: REDOX & ELECTRODE POTENTIALS
Electrochemistry [OCR P1 ’15 Q21] (19:39)
REDOX Titration [OCR P3 ’15 Q6] (24:33)
Electrochemistry [OCR P1 ’17 Q22] (16:00)
A: TRANSITION ELEMENTS & PERIODIC TABLE
Transition Metals [OCR P1 ’15 Q22] (29:42)
Transition Metals [OCR P3 ’15 Q3] (23:35)
Inorganic Ion Testing & Transition Metals [OCR P3 ’15 Q2] (32:44)
Transition Metals [OCR P1 ’17 Q23] (32:16)
Periodic Table + Bonding [OCR P3 ’18 Q1] (25:19)
A: AROMATIC COMPOUNDS
Benzene [OCR P2 ’17 Q17] (38:14)
Aromatic Chemistry [OCR P2 ’15 Q18] (17:09)
Phenol + C-NMR [OCR P2 ’18 Q18] (21:07)
A: ALIPHATIC COMPOUNDS
Alkenes & Organic Analysis [OCR P2 ’15 Q16] (34:26)
Alcohols [OCR P2 ’17 Q19] (24:44)
Carbonyls [OCR P2 ’15 Q20] (21:32)
Carboxylic Acids [OCR P2 ’15 Q19] (37:32)
Carboxylic Acids [OCR P3 ’15 Q5] (41:56)
A: ORGANO-NITROGEN, POLYMERS & AMINO ACIDS
Nitrogen Chemistry & Polymers [OCR P2 ’17 Q18] (21:12)
Amino Acids [OCR P2 ’18 Q17] (15:42)
A: ORGANIC SYNTHESIS
Carboxylic Acids & Derivatives [OCR P2 ’18 Q21] (28:43)
Alcohols + Organic Synthesis [OCR P2 ’18 Q16] (21:40)
A: ORGANIC ANALYSIS & CHROMATOGRAPHY
Organic Analysis [OCR P2 ’15 Q21] (20:55)
Organic Analysis [OCR P2 ’17 Q21] (13:08)
Organic Analysis [OCR P2 ’17 Q20] (14:55)
Organic Identification [OCR P3 ’17 Q5] (28:58)
A: MULTITOPIC & MULTIPLE CHOICE
Multi-Topic [OCR P3 ’15 Q1] (21:37)
Organic Multi-topic [OCR P2 ’15 Q17] (34:44)
Multiple Choice [OCR P1 ’15 Q1-15] (24:22)
Multiple Choice [OCR P1 ’17 Q1-15] (28:21)
Multiple Choice [OCR P1 ’18 Q1-15] (23:29)
Multiple Choice [OCR P2 ’15 Q1-15] (24:36)
Multiple Choice [OCR P2 ’17 Q1-15] (21:34)
Multiple Choice [OCR P2 ’18 Q1-15] (25:29)
A: BIG CALCULATIONS
Kp Calculation [OCR P1 ’15 Q16] (27:55)
Rates Calculation [OCR P1 ’15 Q17] (15:08)
Inorganic Identification Calculation [OCR P1 ’15 Q22] (29:42)
Acids & Bases Calculation [OCR P1 ’15 Q20] (32:30)
Rates Calculation [OCR P3 ’15 Q4] (20:44)
REDOX Titration [OCR P3 ’15 Q6] (24:33)
Kc Calculation [OCR P1 ’17 Q20] (19:18)
Buffer Calculation [OCR P1 ’17 Q21] (23:42)
Titration Calculation & More [OCR P3 ’17 Q4] (37:15)
Halogens + Big REDOX Titration Calc [OCR P1 ’18 Q20] (42:04)
REDOX Titration [OCR P3 ’18 Q3] (27:25)
A: PRACTICAL CHEMISTRY
Distillation [OCR P2 ’15 Q20] (21:32)
Inorganic Ion I.D. [OCR P3 ’15 Q2] (32:44)
Rates Practical [OCR P1 ’17 Q19] (23:05)
Enthalpy Practical [OCR P3 ’17 Q2] (28:59)
Acid/Base Titration [OCR P3 ’17 Q4] (37:15)
Organic Synthesis [OCR P3 ’18 Q4] (26:41)
A: LEVEL OF RESPONSE QUESTIONS
Transition Metal Complexes [OCR P1 ’15 Q22] (29:42)
Distillation [OCR P2 ’15 Q20] (21:32)
Organic Analysis [OCR P2 ’15 Q21] (20:55)
Inorganic Ion I.D. [OCR P3 ’15 Q2] (32:44)
Rates [OCR P3 ’15 Q4] (20:44)
Rates [OCR P1 ’17 Q19] (23:05)
Complex Ion I.D. [OCR P1 ’17 Q23] (32:16)
Recrystallisation [OCR P2 ’17 Q17] (38:14)
Organic Analysis [OCR P2 ’17 Q21] (13:08)
Organic I.D. [OCR P3 ’17 Q5] (28:58)
REDOX + TM Complexes [OCR P1 ’18 Q21] (41:05)
Organic Synthesis + Analysis [OCR P2 ’18 Q20] (33:37)
Organic Analysis [OCR P2 ’18 Q22] (42:08)
Organic Synthesis [OCR P3 ’18 Q6] (28:32)
AS: ATOMIC STRUCTURE & PERIODIC TABLE
Atomic Structure [EDEXCEL ASP1 ’15 Q1] (13:13)
Atomic Structure & Gas Calculation [EDEXCEL P2 ’17 Q4] (11:25)
Atomic Structure [EDEXCEL P1 ’18 Q2] (12:38)
AS: BONDING
IMFs [EDEXCEL ASP1 ’15 Q2] (9:52)
Shapes of Molecules & Bonding [EDEXCEL ASP1 ’15 Q6] (18:16)
Atomic Structure & Bonding [EDEXCEL P1 ’17 Q1] (15:20)
Bonding [EDEXCEL P1 ’15 Q1] (12:24)
AS: STRUCTURE
Structure & Bonding [EDEXCEL P2 ’17 Q2] (3:16)
AS: REDOX I
REDOX [EDEXCEL ASP1 ’15 Q4] (15:23)
Group 7 & REDOX [EDEXCEL P1 ’17 Q3] (21:10)
AS: GROUPS 1 & 2
Group 2 Carbonates (LOR) [EDEXCEL ASP1 ’15 Q5] (22:02)
Group 2 [EDEXCEL P1 ’17 Q2] (12:06)
AS: GROUP 7
Group 7 REDOX [EDEXCEL ASP1 ’15 Q7] (29:23)
Group 7 [EDEXCEL P3 ’18 Q1] (20:47)
AS: ANALYSIS OF INORGANIC COMPOUNDS
Inorganic Ion Testing [EDEXCEL P3 ’15 Q2] (18:37)
AS: AMOUNTS OF SUBSTANCE
Prac & Mole Calculation [EDEXCEL ASP1 ’15 Q3] (16:00)
AS: ORGANIC CHEMISTRY
Alkanes [EDEXCEL P2 ’17 Q1] (9:46)
Alkanes & Mole Calc [EDEXCEL ASP2 ’16 Q1] (13:44)
Alkenes – Addition Reactions [EDEXCEL ASP2 ’16 Q7] (25:43)
Halogenoalkanes [EDEXCEL P2 ’17 Q3] (17:06)
AS: MODERN ANALYTICAL TECHNIQUES
Organic ID & Spectroscopy [EDEXCEL ASP2 ’16 Q8] (27:30)
AS: ENERGETICS I
Enthalpy mcDT [EDEXCEL P1 ’18 Q3] (12:36)
Standard Enthalpy Changes [EDEXCEL ASP2 ’16 Q2] (10:49)
Enthalpy Prac [EDEXCEL ASP2 ’16 Q5] (26:34)
AS: KINETICS I
Maxwell Bolztmann & Mean Bond Enthalpies [EDEXCEL ASP2 ’16 Q4] (17:12)
Kinetics – Hydrolysis of Haloalkanes [EDEXCEL ASP2 ’16 Q6] (20:00)
AS: EQUILIBRIUM I
Equilibria [EDEXCEL P1 ’15 Q7] (18:15)
Equilibria in Industry [EDEXCEL ASP2 ’16 Q3] (18:41)
AS: MULTITOPIC & MULTIPLE CHOICE
Inorganic MCQ [AQA ASP1 ’15 Q8-22] (27:55)
AS: PRACTICAL CHEMISTRY
Titration Errors [EDEXCEL ASP1 ’15 Q8] (31:11)
Oxidation of Alcohols [EDEXCEL P3 ’17 Q2] (45:25)
Group 2 & Practical Calculation [EDEXCEL P3 ’18 Q3] (42:10)
Equilibria – Practical [EDEXCEL P3 ’18 Q8] (38:43)
AS: LEVEL OF RESPONSE
Rates & Equilibria [EDEXCEL P3 ’15 Q4] (25:29)
Hydrolysis of Halogenoalkanes [EDEXCEL P2 ’18 Q6] (29:22)
A: EQUILIBRIUM II
Equilibria [EDEXCEL P1 ’17 Q10] (20:54)
Equilibra [EDEXCEL P3 ’17 Q9] (30:12)
A: ACID-BASE EQULIBRIA
Acids & Bases [EDEXCEL P1 ’15 Q8] (18:01)
Acids & Bases & Enthalpy [EDEXCEL P1 ’17 Q7] (19:19)
Acids & Bases [EDEXCEL P1 ’17 Q8] (18:22)
Acids & Bases [EDEXCEL P1 ’17 Q9] (15:57)
Acids & Bases [EDEXCEL P1 ’18 Q7] (25:52)
Acids & Bases [EDEXCEL P3 ’18 Q7] (22:15)
A: LATTICE ENERGY & ENTROPY
Enthalpy [EDEXCEL P1 ’15 Q2] (22:27)
Entropy [EDEXCEL P1 ’15 Q10] (29:00)
Enthalpy & Entropy [EDEXCEL P3 ’15 Q5] (19:23)
Enthalpy & Reflux [EDEXCEL P3 ’15 Q6] (24:16)
Enthalpy & Entropy [EDEXCEL P1 ’17 Q5] (18:05)
Enthalpy [EDEXCEL P1 ’17 Q6] (25:13)
Enthalpy Prac [EDEXCEL P3 ’17 Q4] (40:26)
Equilibria + Lattice Enthalpy [EDEXCEL P1 ’18 Q6] (20:53)
Entropy [EDEXCEL P1 ’18 Q9] (32:22)
A: REDOX II
REDOX [EDEXCEL P1 ’15 Q3] (20:25)
REDOX [EDEXCEL P1 ’15 Q5] (20:12)
REDOX Calculation [EDEXCEL P1 ’15 Q6] (22:30)
REDOX Titration Calculation [EDEXCEL P2 ’15 Q5] (21:17)
Electrochemistry [EDEXCEL P3 ’15 Q7] (22:28)
REDOX Titration & Other Practical [EDEXCEL P3 ’17 Q6] (36:53)
Electrochemistry [EDEXCEL P1 ’18 Q5] (15:32)
A: TRANSITION METAL CHEMISTRY & PERIODIC TABLE
Transition Metals [EDEXCEL P1 ’15 Q4] (18:10)
Transition Metals [EDEXCEL P1 ’15 Q9] (15:16)
Transition Metals [EDEXCEL P3 ’15 Q9] (33:59)
Transition Metals [EDEXCEL P3 ’17 Q1] (21:15)
Transition Metals [EDEXCEL P1 ’17 Q4] (25:13)
Transition Metals & REDOX [EDEXCEL P3 ’17 Q7] (26:35)
TranisItion Metals [EDEXCEL P1 ’18 Q4] (18:31)
Inorganic Ion Testing [EDEXCEL P1 ’18 Q1] (8:20)
A: KINETICS II
Kinetics [EDEXCEL P2 ’15 Q6] (31:46)
Kinetics [EDEXCEL P3 ’15 Q3] (22:37)
Kinetics [EDEXCEL P3 ’15 Q4] (25:29)
Catalysts [EDEXCEL P2 ’17 Q5] (11:00)
Kinetics [EDEXCEL P2 ’17 Q9] (28:12)
Catalysts [EDEXCEL P2 ’18 Q2] (6:38)
Kinetics + Arrhenius [EDEXCEL P2 ’18 Q9] (38:21)
A: ALIPHATIC CHEMISTRY
Alcohols, Analysis & Practical [EDEXCEL P3 ’17 Q2] (45:25)
Alcohols [EDEXCEL P2 ’18 Q5] (16:55)
Grignard [EDEXCEL P3 ’17 Q5] (11:42)
A: ARENES – BENZENE
Aromatic Chemistry [EDEXCEL P2 ’15 Q1] (9:56)
Benzene & Organic Analysis [EDEXCEL P2 ’17 Q8] (24:37)
Ease of Electrophilic Substitution [EDEXCEL P2 ’18 Q8] (19:36)
A: AMINES, AMIDES, AMINO ACIDS & PROTEINS
Amines [EDEXCEL P2 ’15 Q3] (9:50)
Amines & Amides [EDEXCEL P3 ’17 Q8] (10:01)
Polymers [EDEXCEL P2 ’17 Q6] (12:47)
Amino Acids [EDEXCEL P2 ’15 Q4] (15:29)
A: ORGANIC SYNTHESIS
Organic Synthesis & Analysis [EDEXCEL P2 ’15 Q7] (32:09)
Organic Synthesis [EDEXCEL P2 ’15 Q8] (19:39)
Organic Synthesis [EDEXCEL P2 ’15 Q9] (24:27)
Organic Synthesis [EDEXCEL P3 ’15 Q1] (9:40)
Organic Synthesis [EDEXCEL P3 ’15 Q10] (26:43)
Organic Synthesis [EDEXCEL P2 ’17 Q7] (17:31)
Organic Synthesis [EDEXCEL P3 ’18 Q2] (16:11)
Organic Synthesis [EDEXCEL P2 ’18 Q7] (20:55)
A: SPECTROSCOPY & CHROMATOGRAPHY
Organic Identification [EDEXCEL P2 ’15 Q2] (4:17)
Organic Identification [EDEXCEL P3 ’15 Q8] (31:18)
Amino Acids & Chromatography [EDEXCEL P3 ’17 Q3] (17:11)
Chromatography [EDEXCEL P2 ’18 Q3] (17:31)
NMR [EDEXCEL P3 ’18 Q4] (33:12)
A: MULTITOPIC & MULTIPLE CHOICE
Multi-Topic [EDEXCEL P2 ’18 Q4] (23:58)
Multiple Choice [EDEXCEL P2 ’18 Q1] (6:06)
A: BIG CALCULATIONS
Acid & Bases Calculation [EDEXCEL P1 ’15 Q8] (18:01)
REDOX Titration [EDEXCEL P2 ’15 Q5] (21:17)
Gibbs & Kp Calculation [EDEXCEL P3 ’15 Q5] (19:23)
REDOX Titration [EDEXCEL P3 ’15 Q9] (33:59)
Buffer Calculation [EDEXCEL P1 ’17 Q9] (15:57)
Arrhenius Calculation [EDEXCEL P2 ’17 Q9] (28:12)
REDOX Calculation [EDEXCEL P3 ’17 7] (26:35)
REDOX Titration [EDEXCEL P1 ’18 Q10] (21:00)
A: PRACTICAL CHEMISTRY
Colorimetry [EDEXCEL P1 ’15 Q4] (18:10)
Recrystallisation [EDEXCEL P3 ’15 Q1] (9:40)
Inorganic Ion I.D. [EDEXCEL P3 ’15 Q2] (18:37)
Enthalpy of Solution & Reflux [EDEXCEL P3 ’15 Q6] (24:16)
Distillation [EDEXCEL P3 ’15 Q8] (31:18)
Organic Synthesis [EDEXCEL P2 ’17 Q7] (17:31)
Organic Identification [EDEXCEL P2 ’17 Q8] (24:37)
Enthalpy of Combustion Pratical [EDEXCEL P3 ’17 Q4] (40:26)
Water of Crystallisation (.xH2O) [EDEXCEL P3 ’17 Q6] (36:53)
Carboxylic Acids – Practical [EDEXCEL P3 ’18 Q6] (42:18)
A: LEVEL OF RESPONSE
Lattice Enthalpy [EDEXCEL P1 ’15 Q10] (29:00)
Nucleophilic Substitution & Stereoisomerism [EDEXCEL P2 ’15 Q9] (24:27)
Acids & Enthalpy [EDEXCEL P1 ’17 Q7] (19:19)
H-NMR [EDEXCEL P2 ’17 Q8] (24:37)
Transition Metals [EDEXCEL P3 ’17 Q8] (10:01)
Lattice Enthalpy [EDEXCEL P1 ’18 Q8] (30:00)
Transition Metals [EDEXCEL P3 ’18 Q5] (34:22)
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AS: FUNDAMENTAL CHEMISTRY
Basic Atomic Structure (7:15)
Isotopes (8:14)
Ions (4:41)
Common Ions & Predicting Charges (9:38)
Writing Formulae (8:26)
Balancing Equations (7:48)
Stoichiometry (6:41)
AS: ATOMIC STRUCTURE (3.1.1)
How the TOF Mass Spectrometer Works (14:12)
Mass Spectra Examples & Calculations (5:23)
Calculating an Unknown Isotopic Mass (7:56)
Velocity Calculations (11:27)
Electron Orbitals (11:24)
Writing Electronic Configurations (11:59)
Electrons in Boxes (7:45)
Electronic Configurations of Ions (9:40)
1st Molar Ionisation Energy (8:24)
1st I.E.s Down a Group (8:40)
1st I.E.s Across a Period (13:01)
Successive I.E.s (12:24)
1st Molar I.E.’s – The Graph! (5:48)
AS: RELATIVE MASS & AMOUNT OF SUBSTANCE (3.1.2)
Relative Atomic Mass (9:52)
Relative Molecular Mass & Relative Formula Mass (10:27)
The Mole & Mass Introduction (0:45)
The Mole & Avogadro’s Constant (8:16)
The Mole & Mass (9:41)
Calculations & Stoichiometry (11:18)
Moles & Mass Question 1 (4:49)
Moles & Mass Question 2 (4:38)
Moles & Mass Question 3 (6:24)
Finding .xH2O Calculation (7:26)
The Mole & Solutions Introduction (0:33)
The Mole & Solutions (7:59)
Moles & Solutions Question 1 (5:40)
Moles & Solutions Question 2 (5:38)
Moles & Solutions Question 3 (5:01)
The Mole & Gases Introduction (0:48)
Molar Gas Volume (7:25)
The Ideal Gas Equation Explained (11:10)
Ideal Gas Equation Question 1 (7:12)
Ideal Gas Equation Question 2 (6:34)
Ideal Gas Equation Question 3 (7:30)
Other Important Calculations Introduction (1:03)
% Composition by Mass (7:24)
Empirical and Molecular Formulae (12:57)
% Atom Economy (8:10)
% Yield (8:41)
AS: BONDING (3.1.3)
Ionic Crystal Structure & Bonding – NaCl (8:26)
Ionic Crystal Structure & Properties (7:20)
The Covalent Bond (10:09)
The Coordinate Bond (7:24)
Molecular Crystal Structure – Ice (6:38)
Molecular Crystal Structure – Iodine (5:44)
Macromolecular Crystal Structure – Carbon (10:01)
Metallic Crystal Structure – Magnesium (9:50)
Shapes of Molecules Introduction (1:07)
Shapes & Bond Angles (12:27)
Finding Shapes of Unknowns – Episode 1 (10:49)
Finding Shapes of Unknowns – Episode 2 (10:43)
Bond Angles in Larger Molecules (6:55)
Electronegativity (11:54)
Induced Dipole Forces (9:51)
Permanent Dipole Forces (10:05)
Hydrogen Bonding (10:08)
Spotting IMFs – Comparing Compounds (7:25)
AS: ENERGETICS (3.1.4)
Enthalpy (H) & Enthalpy Change (ΔH) (10:40)
Enthalpy Change (ΔH) – The Reactions (10:54)
Energy Profile Diagrams (7:57)
Calorimetry (Q = mcΔT) (10:16)
Calorimetry: Alternative Calculation (5:00)
Calorimetry – Finding ΔH Neutralisation (13:05)
Calorimetry – Finding ΔH Combustion (8:56)
Hess’ Law Introduction (1:13)
Hess’ Law (9:34)
Hess’ Law – Using Enthalpy of Formation (ΔHf) (9:39)
Hess’ Law – Enthalpy of Combustion (ΔHc) (7:50)
Hess’ Law – Example Calculation 1 (6:16)
Hess’ Law – Example Calculation 2 (9:02)
Mean Bond Enthalpies (10:42)
AS: KINETICS (3.1.5)
Collision Theory (8:59)
The Maxwell-Boltzmann Distribution Curve (5:45)
Maxwell-Boltzmann & Concentration (4:30)
Maxwell-Boltzmann & Temperature (4:12)
Maxwell-Boltzmann & Catalysts (2:47)
How Catalysts Work (7:56)
AS: CHEMICAL EQUILIBRIA (3.1.6)
Dynamic Equilibria (10:04)
Le Chatlelier’s Principle (6:11)
Changes in Concentration (7:13)
Changes in Pressure (6:48)
Changes in Temperature (6:12)
The Haber process – Equilibria (8:06)
The Kc Expression (6:02)
Kc – Deducing Amounts at Equilibrium (9:25)
Kc Calculations – Number & Units (10:21)
Factors Affecting Kc (7:11)
Kc Calculations – Example Question 1 (7:21)
Kc Calculations – Example Question 2 (6:16)
AS: OXIDATION & REDUCTION (3.1.7)
Oxidation Numbers / States (10:53)
Deducing Oxidation States (12:20)
REDOX Equations (8:33)
REDOX Half Equations (8:30)
Combining Half Equations (7:12)
REDOX in Acidic Conditions (9:00)
Ionic Equations (8:12)
AS: PERIOD 3 CHEMISTRY (3.2.1)
How The Periodic Table Works (7:52)
Period 3 Properties & Trends (9:51)
AS: GROUP 2 CHEMISTRY (3.2.2)
Group 2 Properties & Trends (5:05)
Group 2 + Water (7:23)
Group 2 Salts – Solubility & Tests (7:27)
Uses of Group 2 Compounds (8:54)
AS: GROUP 7 CHEMISTRY (3.2.3)
Group 7 Properties & Trends (6:55)
Group 7 REDOX (15:39)
Testing for Halide Ions (8:21)
Reactions of Chlorine (6:57)
Sodium Halides + conc. Sulfuric Acid (10:42)
AS: INTRODUCTION TO ORGANIC CHEMISTRY (3.3.1)
Carbon Chemistry (8:27)
Single Bond Rotation (6:40)
Functional Groups (Year 1 / AS) (6:50)
Organic Formulae (10:15)
IUPAC Nomenclature (10:22)
The Numbering System (10:07)
Key Terms in Organic Chemistry (5:56)
Organic Reaction Key Terms (9:17)
AS: ALKANE CHEMISTRY (3.3.2)
Alkanes – Properties (7:33)
Structural Isomers (8:05)
Fractional Distillation (8:51)
Cracking (12:06)
Cyclical Alkanes (4:08)
Combustion of Alkanes (9:03)
Combustion – Environmental Impact (8:25)
Catalytic Converters (10:14)
Free Radical Substitution (13:57)
AS: HALOGENOALKANE CHEMISTRY (3.3.3)
Halogenoalkanes – Properties (8:57)
Nucleophilic Substitution Mechanism – Forming Alcohols & Nitriles (8:27)
Nucleophilic Substitution Mechanism – Forming Amines (6:02)
Relative Ease of Substitution (7:52)
Testing for Halogenoalkanes (6:10)
Elimination Mechanism (9:55)
Ozone (6:44)
AS: ALKENE CHEMISTRY (3.3.4)
Alkenes – Properties (7:03)
The C=C Double Bond (7:05)
Testing for Alkenes (5:26)
Geometrical Isomers (9:32)
Naming Geometrical Isomers (12:19)
Electrophilic Addition Mechanism (11:10)
Markovnikov’s Rule (Asymmetrical Alkenes) (10:41)
Alkenes + conc. Sulfuric Acid – Mechanism (6:35)
Hydrogenation & Hydration (5:25)
Hydration of Alkenes – Mechanism (8:35)
Addition Polymerisation (10:07)
Waste Polymers (6:22)
AS: ALCOHOL CHEMISTRY (3.3.5)
Alcohols – Properties (8:37)
Producing Alcohols (9:03)
Combustion of Alcohols & Biofules (7:50)
Oxidation of Primary Alcohols (12:23)
Oxidation of Secondary & Tertiary Alcohols (7:02)
Testing for Aldehydes, Ketones & Carboxylic Acids (8:44)
Dehydration of Alcohols (Elimination Mechanism) (8:13)
AS: ORGANIC ANALYSIS (3.3.6)
Organic I.D. – Test Tube Reactions 1 (7:35)
Organic I.D. – Test Tube Reactions 2 (5:59)
Mass Spectra for Organic Molecules – Halo-Isotopes (7:51)
Infrared Spectroscopy (10:13)
Infrared Spectra – Examples (5:44)
AS Organic Synthesis – Cheat Sheet
AS: PRACTICAL CHEMISTRY
Calculating Errors
Making a Standard Solution (Required Prac 1a) (8:14)
Setting up a Titration (10:01)
Performing an Acid-Base Titration (Required Practical 1b) (9:58)
Acid-Base Titration Calculations (10:17)
Back Titrations (6:23)
Back Titration Calculations (8:32)
Gravimetric Analysis (Finding .xH2O) (12:45)
Measuring ΔHc (Required Practical 2a) (13:18)
Measuring ΔHn (Required Practical 2b) (13:07)
Measuring Rate – Changing Temp. of Thiosulfate & HCl (Required Practical 3) (11:23)
Testing for Inorganic Ions (Required Practical 4) (13:19)
Refluxing (9:36)
Distillation – Esters & Aldehydes (Required Practical 5) (9:18)
Testing for Organic Compounds (Required Practical 6) (14:39)
A: THERMODYNAMICS (3.1.8)
Lattice Enthalpy (8:38)
Born-Haber Cycles Explained (15:31)
Born-Haber Example – MgO (12:14)
Born-Haber Example – CaBr2 (7:20)
Born Haber Vs The Perfect Ionic Model (11:55)
Calculating Enthalpy of Solution (10:37)
Enthalpy of Solution Example Question 1 (4:05)
Enthalpy of Solution Example Question 2 (4:50)
Entropy of a System (ΔS system) (8:38)
Gibbs Free Energy (ΔG) (10:09)
Gibbs Free Energy (ΔG) Calculations 1 (5:45)
Gibbs Free Energy (ΔG) Calculations 2 (5:54)
The Graph: ΔG vs T (7:41)
A: RATE EQUATIONS (3.1.9)
Orders of Reaction (9:50)
Finding Orders Using Data 1 (5:57)
Finding Orders Using Data 2 (9:16)
Finding Orders Using Conc Vs Time Graph (8:45)
The Rate Equation (8:42)
Using the Rate Equation (7:21)
The Rate Equation & Rate-Determining Step (12:37)
Understanding the Arrhenius Equation (11:09)
The Arrhenius Equation – The Graph (9:27)
A: THE EQUILIBRIUM CONSTANT – Kp (3.1.10)
The Kp Expression (7:28)
Deducing Mole Fractions & Partial Pressures (11:37)
Kp – Numbers & Units (10:21)
A: ELECTROCHEMISTRY (3.1.11)
Half Cells & Half Equations (10:03)
Combining Half Cells: Conventions (14:51)
The Standard Hydrogen Electrode (7:39)
Half Cells of Ions in Solution (10:11)
The Electrochemical Series (5:45)
Calculating EMF (7:09)
Predicting Reactions (10:31)
Predicting the Feasibility of Reactions (9:48)
Effect of Changing Conditions (10:24)
The Lithium Ion Cell (10:25)
Fuel Cells (5:43)
The Hydrogen Fuel Cell (7:02)
Pro’s & Con’s of the Hydrogen Fuel Cell (7:24)
A: ACIDS & BASES (3.1.12)
Definitions of Acids & Bases (10:30)
Calculating pH (9:59)
Calculating pH – Strong Acids (8:11)
Calculating Concentration – Strong Acids (5:24)
Weak Acids – Ka (10:30)
Calculating pH – Weak Acids (6:48)
Calculating Concentration – Weak Acids (8:59)
Bases & Alkalis (4:54)
Kw – Ionic Product of Water (10:31)
Calculating pH – Strong Bases (10:41)
Calculating Concentration – Strong Bases (8:06)
pKa & pKw (8:24)
How pH Curves Work (7:24)
Types of pH Curve (8:39)
What pH Curves can tell you (Finding Ka) (9:20)
How Acid Buffers Work (11:27)
How Basic Buffers Work (7:36)
Calculating pH of an Acid Buffer (8:08)
Acid Buffer pH Example Calculation (8:08)
Acid Buffer Component Calculation (8:08)
A: PERIOD 3 ELEMENTS & THEIR OXIDES (3.2.4)
Period 3 Elements – Properties (7:28)
Period 3 Elements – Reaction with Water (6:08)
Period 3 Elements – Reactions with Oxygen (8:17)
Period 3 Oxides – Trend in Melting Point (6:16)
Period 3 Oxides – Reaction with Water (7:16)
Period 3 – Acid Formation (7:13)
Period 3 Oxides – Neutralisation (7:53)
A: TRANSITION METALS (3.2.5)
Characteristics of Transition Metals (9:34)
Ligands & Complexes (9:39)
Shapes of Complex Ions (6:40)
Monodentate Copper Complexes (11:59)
Monodentate Cobalt Complexes (7:19)
Monodentate Iron (III) Complexes (6:29)
Bidentate Ligands (9:54)
Multidentate Ligands (9:02)
The Chelate Effect (9:13)
Isomerism in Monodentate Complexes (8:41)
Isomerism in Bidentate Complexes (4:56)
Why Complexes are Coloured (13:27)
Quantifying ΔE (E=hf) (9:53)
General Trends in Transition Metal Oxidation States (7:25)
Factors Affecting REDOX Potential (9:27)
Reduction of Vanadium with Zn (10:31)
Iron 2+ Vs Permanganate Titration (9:27)
Oxalate Vs Permanganate Titration (6:15)
Heterogeneous Catalysts (Fe in Haber Process & V2O5 in Contact Process) (8:39)
Homogeneous Catalysts (Fe2+ in Iodide Vs Thiosulfate) (7:12)
Autocatalysis (Mn2+) of Oxalate Vs Permanganate (9:04)
A: REACTIONS OF IONS IN SOLUTION (3.2.6)
Acidity of Metal-Aqua Ions (9:19)
Amphoteric Hydroxides (5:06)
Test Tube Reactions of Transition Metal Ions in Solution (12:06)
A: OPTICAL ISOMERISM (3.3.7)
Optical Isomers & Chirality (9:23)
Enantiomers & Polarimetry (9:33)
A: ALDEHYDES & KETONES (3.3.8)
Aldehyde & Ketone Chemistry & Oxidation (8:14)
Reduction of Aldehydes & Ketones (6:08)
Aldehydes + HCN (Nucleophilic Addition) (8:25)
Ketones + HCN (Nucleophilic Addition) (6:23)
Nucleophilic Addition – Chiral Products (8:33)
Testing for Aldehydes, Ketones & Carboxylic Acids (8:44)
A: CARBOXYLIC ACIDS & DERIVATIVES (3.3.9)
Carboxylic Acid Structure & Chemistry (11:08)
Producing Esters (Esterification) (12:00)
Common Uses of Esters (7:56)
Hydrolysis of Esters (9:29)
A: DERIVATIVES OF CARBOXYLIC ACIDS INTRODUCTION
Amides (7:29)
Reactions of Acid Anhydrides (7:41)
Reactions of Acyl Chlorides (10:09)
Acyl Chlorides: Nucleophilic Addition-Elimination (8:39)
A: AROMATIC CHEMISTRY (3.3.10)
Benzene Structure (9:30)
Evidence for Benzene Structure (8:44)
Benzene Vs Alkenes – Reactivity (5:51)
Electrophilic Substitution Mechanism – Nitration (& Reduction to phenylamine) (8:39)
Electrophilic Substitution Mechanism – Acylation (8:14)
Naming Substituted Benzene Compounds (8:46)
A: AMINES (3.3.11)
Amines – Structure & Chemistry (11:47)
Producing Amines (10:44)
Amines – Relative Base Strength (8:12)
Amines + Acids (6:48)
Nucleophilic Substitution with Haloalkanes (9:50)
A: CONDENSATION POLYMERS (3.3.12)
Polyesters (10:35)
Polyamides (10:35)
Identification of Repeating Units (10:00)
Hydrolysis – A Reminder! (9:29)
Comparing Addition & Condensation Polymers (7:33)
A: AMINO ACIDS, PROTEINS & DNA (3.3.13)
Amino Acid Structure (10:18)
Polymerisation of Amino Acids (9:52)
Hydrolysis of Amino Acids (9:14)
Amino Acids in Different pH’s (10:41)
Protein Structure (10:57)
Enzymes (6:57)
DNA Structure (12:24)
Cisplatin (8:12)
A: ORGANIC SYNTHESIS (3.3.14)
A Level Organic Synthesis – Cheat Sheets
A: NMR SPECTROSCOPY (3.3.15)
H-NMR Spectroscopy (14:06)
Understanding H-NMR Spectra (11:56)
H-NMR Example Spectra 1 (8:48)
H-NMR Example Spectra 2 (9:27)
Carbon-13 NMR (9:40)
A: CHROMATOGRAPHY (3.3.16)
Thin Layer Chromatography (13:02)
Column Chromatography (7:13)
Gas Chromatography (7:53)
A: PRACTICAL CHEMISTRY
Gas Collection (Continuous Rate) (Required Practical 7a) (13:39)
Loss in Mass (Continuous Rate) (Required Practical 7b) (10:13)
Iodine Clock (Initial Rate) (Required Practical 7c) (10:07)
Building an Electrochemical Cell (Required Practical 8) (11:50)
pH Curves (Required Practical 9) (11:14)
Producing Aspirin (Required Practical 10) (12:36)
Determining Melting Point (7:03)
Test Tube Reactions of Transition Metals (Required Practical 11) (18:03)
Thin Layer Chromatography (Required Practical 12) (13:02)
Separation Techniques (8:58)
AS: ATOMIC STRUCTURE & ISOTOPES (2.1.1)
Basic Atomic Structure (7:15)
Isotopes (8:14)
Ions (4:41)
Relative Atomic Mass (9:52)
Relative Molecular Mass & Relative Formula Mass (10:27)
Mass Spectra Examples & Calculations (5:23)
Calculating an Unknown Isotopic Mass (7:56)
Mass Spectra – Diatomic Elements (7:44)
AS: COMPOUNDS, FORMULAE & EQUATIONS (2.1.2)
Common Ions & Predicting Charges (9:38)
Writing Formulae (8:26)
Balancing Equations (7:48)
Stoichiometry (6:41)
AS: AMOUNT OF A SUBSTANCE (2.1.3)
The Mole & Avogadro’s Constant (8:16)
The Mole & Mass (9:41)
Calculations & Stoichiometry (11:18)
Moles & Mass Question 1 (4:49)
Moles & Mass Question 2 (4:38)
Moles & Mass Question 3 (6:24)
Finding .xH2O Calculation (7:26)
The Mole & Solutions (7:59)
Moles & Solutions Question 1 (5:40)
Moles & Solutions Question 2 (5:38)
Moles & Solutions Question 3 (5:01)
Molar Gas Volume (7:25)
The Ideal Gas Equation Explained (11:10)
Ideal Gas Equation Question 1 (7:12)
Ideal Gas Equation Question 2 (6:34)
Ideal Gas Equation Question 3 (7:30)
Empirical and Molecular Formulae (12:57)
% Composition by Mass (7:24)
% Atom Economy (8:10)
% Yield (8:41)
AS: ACIDS (2.1.4)
Acids (Strong Vs Weak) (7:07)
Bases & Alkalis (4:54)
Common Acids & Bases (10:30)
Neutralisation Reactions (7:31)
AS: REDOX (2.1.5)
Oxidation Numbers / States (10:53)
Deducing Oxidation States (12:20)
REDOX Equations (8:33)
REDOX Half Equations (8:30)
Combining Half Equations (7:12)
REDOX in Acidic Conditions (9:00)
Ionic Equations (8:12)
AS: ELECTRON STRUCTURE (2.2.1)
Electron Orbitals (11:24)
Writing Electronic Configurations (11:59)
Electrons in Boxes (7:45)
Electronic Configurations of Ions (9:40)
AS: BONDING & STRUCTURE (2.2.2)
Ionic Crystal Structure & Bonding – NaCl (8:26)
Ionic Crystal Structure & Properties (7:20)
The Covalent Bond (10:09)
The Coordinate Bond (7:24)
V.S.E.P.R. – Intro (15:21)
Shapes & Bond Angles (12:27)
Finding Shapes of Unknowns – Episode 1 (10:49)
Finding Shapes of Unknowns – Episode 2 (10:43)
Bond Angles in Larger Molecules (6:55)
Electronegativity (11:54)
Permanent Dipole Forces (10:05)
Induced Dipole Forces (9:51)
Molecular Crystal Structure – Iodine (5:44)
Hydrogen Bonding (10:08)
Molecular Crystal Structure – Ice (6:38)
Spotting IMFs – Comparing Compounds (7:25)
AS: PERIODICITY (3.1.1)
How The Periodic Table Works (7:52)
Trends Across Period 3 (7:28)
Metallic Crystal Structure (9:50)
Giant Covalent Structure – Carbon (10:01)
1st Molar Ionisation Energy (8:24)
1st I.E.s Down a Group (8:40)
1st I.E.s Across a Period (13:01)
Successive I.E.s (12:24)
1st Molar I.E.’s – The Graph! (5:48)
AS: GROUP 2 (3.1.2)
Group 2 Properties & Trends (5:05)
Group 2 + Water (7:23)
Group 2 + Oxygen / Dilute Acids (7:02)
Group 2 Salts – Solubility & Tests (7:27)
Uses of Group 2 Compounds (8:54)
pH of Group 2 Oxides (6:58)
AS: THE HALOGENS (3.1.3)
Group 7 Properties & Trends (6:55)
Group 7 REDOX (15:39)
Testing for Halide Ions (8:21)
Reactions of Chlorine (9:31)
AS: ENTHALPY CHANGES (3.2.1)
Enthalpy (H) & Enthalpy Change (ΔH) (10:40)
Enthalpy Change (ΔH) – The Reactions (10:54)
Energy Profile Diagrams (7:57)
Calorimetry (Q = mcΔT) (10:16)
Calorimetry: Alternative Calculation (5:00)
Calorimetry – Finding ΔH Neutralisation (13:05)
Calorimetry – Finding ΔH Combustion (8:56)
Hess’ Law (9:34)
Hess’ Law – Using Enthalpy of Formation (ΔHf) (9:39)
Hess’ Law – Enthalpy of Combustion (ΔHc) (7:50)
Hess’ Law – Example Calculation 1 (6:16)
Hess’ Law – Example Calculation 2 (9:02)
Mean Bond Enthalpies (10:42)
AS: REACTION RATES (3.2.2)
Collision Theory (8:59)
The Maxwell-Boltzmann Distribution Curve (5:45)
Maxwell-Boltzmann & Concentration (4:30)
Maxwell-Boltzmann & Temperature (4:12)
Maxwell-Boltzmann & Catalysts (2:47)
How Catalysts Work (7:56)
AS: CHEMICAL EQUILIBRIUM (3.2.3)
Dynamic Equilibria (10:04)
Le Chatlelier’s Principle (6:11)
Changes in Concentration (7:13)
Changes in Pressure (6:48)
Changes in Temperature (6:12)
The Haber Process – Equilibria (8:06)
The Kc Expression (9:19)
Kc – Deducing Amounts at Equilibrium (9:25)
Kc Calculations – Number & Units (10:21)
Kc Calculations – Example Question 1 (7:21)
Kc Calculations – Example Question 2 (6:16)
AS: BASIC CONCEPTS OF ORGANIC CHEMISTRY (4.1.1)
Carbon Chemistry (8:27)
Single Bond Rotation (6:40)
Functional Groups (Year 1 / AS) (6:50)
Organic Formulae (10:15)
IUPAC Nomenclature (10:22)
The Numbering System (10:07)
Key Terms in Organic Chemistry (5:56)
Organic Reaction Key Terms (9:17)
AS: ALKANES (4.1.2)
Alkanes – Properties (7:33)
Structural Isomers (8:05)
Cyclical Alkanes (4:08)
Combustion of Alkanes (9:03)
Combustion – Environmental Impact (8:25)
Free Radical Substitution (13:57)
AS: ALKENES (4.1.3)
Alkenes – Properties (7:03)
The C=C Double Bond (7:05)
Testing for Alkenes (5:26)
Geometrical Isomers (9:32)
Naming Geometrical Isomers (12:19)
Electrophilic Addition Mechanism (11:10)
Markovnikov’s Rule (Asymmetrical Alkenes) (10:41)
Hydrogenation & Hydration (5:25)
Addition Polymerisation (10:07)
Waste Polymers (6:22)
AS: ALCOHOLS (4.2.1)
Alcohols – Properties (8:37)
Producing Alcohols (9:03)
Combustion of Alcohols & Biofules (7:50)
Oxidation of Primary Alcohols (12:23)
Oxidation of Secondary & Tertiary Alcohols (7:02)
Dehydration of Alcohols (Elimination) (8:13)
AS: HALOALKANE CHEMISTRY (4.2.2)
Halogenoalkanes – Properties (8:57)
Testing for Halogenoalkanes (6:10)
Nucleophilic Substitution Mechanism – Forming Alcohols (5:25)
Relative Ease of Substitution (7:52)
Ozone (6:44)
AS: ORGANIC SYNTHESIS (4.2.3)
AS Organic Synthesis – Cheat Sheet
AS: ANALYTICAL TECHNIQUES (4.2.4)
Organic I.D. – Test Tube Reactions 1 (7:35)
Organic I.D. – Test Tube Reactions 2 (5:59)
Mass Spectra for Organic Molecules – Fragmentation (12:46)
Infrared Spectroscopy (10:13)
Infrared Spectroscopy Examples (5:44)
AS: PRACTICAL CHEMISTRY
Calculating Errors in Chemistry
Gravimetric Analysis (Finding .xH2O) (Required Practical 1) (12:45)
Making a Standard Solution (Required Practical 2a) (8:14)
Setting up a Titration (10:01)
Performing an Acid-Base Titration (Required Practical 2b) (9:58)
Acid-Base Titration Calculations (10:17)
Back Titrations (6:23)
Back Titration Calculations (8:32)
Measuring ΔHc (Required Practical 3a) (13:18)
Measuring ΔHn (Required Practical 3b (13:07)
Testing for Inorganic Ions (Required Practical 4) (13:19)
Refluxing (Required Practical 5a) (9:36)
Separation Techniques (Required Practical 5b) (8:58)
Distillation (Required Practical 5c) (9:18)
A: HOW FAST? (5.1.1)
Orders of Reaction (9:50)
Finding Orders Using Data 1 (5:57)
Finding Orders Using Data 2 (9:16)
Finding Orders Using Conc Vs Time Graph (8:45)
Half-Life (11:32)
Half-Like & K (The Rate Constant) (6:40)
The Rate Equation (8:42)
Using the Rate Equation (7:21)
The Rate Equation & Rate-Determining Step (12:37)
Understanding the Arrhenius Equation (11:09)
The Arrhenius Equation – The Graph (9:27)
A: HOW FAR? (5.1.2)
The Kp Expression (7:28)
Deducing Mole Fractions & Partial Pressures (11:37)
Kp – Numbers & Units (7:01)
A: ACIDS, BASES & BUFFERS (5.1.3)
Definitions of Acids & Bases (10:30)
Calculating pH – Intro (9:59)
Calculating pH – Strong Acids (8:11)
Calculating Concentration – Strong Acids (5:24)
Weak Acids – Ka (10:30)
Calculating pH – Weak Acids (6:48)
Calculating Concentration – Weak Acids (8:59)
Calculating pH – Strong Bases (10:41)
Calculating Concentration – Strong Bases (8:06)
Kw – Ionic Product of Water (10:31)
pKa & pKw (8:24)
How pH Curves Work (7:24)
Types of pH Curve (8:39)
What pH Curves can tell you (Finding Ka) (9:20)
How Acid Buffers Work (11:27)
How Basic Buffers Work (7:36)
Calculating pH of an Acid Buffer (8:08)
Acid Buffer pH Example Calculation (8:08)
Acid Buffer Component Calculation (8:08)
Buffer Action in Blood (7:39)
A: LATTICE ENTHALPY (5.2.1)
Lattice Enthalpy (8:38)
Born-Haber Cycles Explained (15:31)
Born-Haber Example – MgO (12:14)
Born-Haber Example – CaBr2 (7:20)
A: ENTHALPY OF SOLUTION (10:37)
Calculating Enthalpy of Solution (10:37)
Enthalpy of Solution Example Question 1 (4:05)
Enthalpy of Solution Example Question 2 (4:50)
A: ENTHALPY & ENTROPY (5.2.2)
Entropy of a System (ΔS system) (8:38)
Gibbs Free Energy (ΔG) (10:09)
Gibbs Free Energy (ΔG) Calculations 1 (5:45)
Gibbs Free Energy (ΔG) Calculations 2 (5:54)
The Graph: ΔG vs T (7:41)
A: REDOX & ELECTRODE POTENTIALS (5.2.3)
The Fe 2+ / Permanganate Titration (9:27)
The Thiosulfate / Iodine Titration (7:17)
Half Cells & Half Equations (10:03)
Combining Half Cells – Conventions (14:51)
The Standard Hydrogen Electrode (7:39)
Half-Cells of Ions in Solution (10:11)
The Electrochemical Series (5:45)
Calculating EMF (7:09)
Effect of Changing Conditions (10:24)
Predicting Reactions (10:31)
Predicting the Feasibility of Reactions (9:48)
The Lithium Ion Battery (10:25)
Storage Cells (7:04)
Fuel Cells (5:43)
The Hydrogen Fuel Cell (7:02)
Benefits & Risks of the Hydrogen Fuel Cell (7:24)
A: TRANSITION ELEMENTS (5.3.1)
Characteristics of Transition Metals (9:34)
General Trends in Transition Metal Oxidation States (7:25)
Ligands & Complexes (9:39)
Bidentate Ligands (9:54)
Shapes of Complex Ions (6:40)
Isomerism in Monodentate Complexes (8:41)
Isomerism in Bidentate Complexes (4:56)
Copper Complexes (11:59)
Chromium Complexes (5:25)
Importance of Iron in Haemoglobin (9:02)
REDOX Reaction – Fe2+ & Permanganate (9:27)
REDOX Reaction – Fe3+ & Iodide Ions (3:52)
REDOX Reaction – Cr3+ & Hydrogen Peroxide (7:27)
REDOX Reaction – Dichromate & Zinc (6:37)
REDOX Reaction – Cu2+ & Iodide Ions (3:50)
A: QUALITATIVE ANALYSIS (5.3.2)
Precipitation Reactions (w/NaOH) (9:05)
Precipitation Reactions (w/NH3) (7:24)
A: AROMATIC COMPOUNDS (6.1.1)
Benzene Structure (9:30)
Evidence for Benzene Structure (8:44)
Benzene Vs Alkenes – Reactivity (5:51)
Electrophilic Substitution Mechanism – Halogenation (11:05)
Electrophilic Substitution Mechanism – Nitration (& Reduction to phenylamine) (8:39)
Electrophilic Substitution Mechanism – Acylation (8:14)
Naming Substituted Benzene Compounds (8:46)
Phenol – Ease of Substitution (6:55)
Acidity of Phenol (8:15)
Electron Donating & Withdrawing Groups (8:44)
A: CARBONYL COMPOUNDS (6.1.2)
Aldehyde & Ketone Chemistry & Oxidation (8:14)
Reduction of Aldehydes & Ketones (8:38)
Aldehydes + HCN (8:25)
Ketones + HCN (7:16)
Nucleophilic Addition – Chiral Products (8:33)
Testing for Aldehydes & Ketones (5:25)
A: CARBOXYLIC ACIDS & ESTERS (6.1.3)
Carboxylic Acid Structure & Chemistry (11:08)
Reactions of Carboxylic Acids (9:30)
Producing Esters (Esterification) (12:00)
Acid Anhydrides + Alcohols (6:07)
Hydrolysis of Esters (9:29)
Reactions of Acyl Chlorides (10:09)
A: AMINES (6.2.1)
Amine Structure & Chemistry (11:47)
Producing Amines (10:44)
Amines + Acids (6:48)
A: AMINO ACIDS, AMIDES AND CHIRALITY (6.2.2)
Amino Acid Structure (10:18)
Polymerisation of Amino Acids (9:52)
Hydrolysis of Amino Acids (9:14)
Amides (7:29)
Optical Isomers & Chirality (9:23)
Enantiomers & Polarimetry (9:33)
A: POLYESTERS & POLYAMIDES (6.2.3)
Polyesters (10:35)
Polyamides (10:35)
Hydrolysis – A Reminder! (9:29)
Comparing Addition & Condensation Polymers (7:33)
A: CARBON-CARBON BOND FORMATION (6.2.4)
Haloalkanes + KCN (Nucleophilic Substitution) (8:27)
Carbonyls + HCN (Nucleophilic Addition) (6:23)
Hydrolysis & Reduction of Nitriles (4:40)
Friedel-Crafts Acylation (8:14)
A: ORGANIC SYNTHESIS (6.2.5)
A Level Organic Synthesis – Cheat Sheets
A: CHROMATOGRAPHY (6.3.1)
Thin Layer Chromatography (13:02)
Column Chromatography (7:13)
Gas Chromatography (7:53)
A: SPECTROSCOPY (6.3.2)
H-NMR Spectroscopy (14:06)
Understanding H-NMR Spectra (11:56)
H-NMR Example Spectra 1 (8:48)
H-NMR Example Spectra 2 (9:27)
Addition of D2O (5:21)
Carbon-13 NMR (9:40)
A: PRACTICAL CHEMISTRY
Producing Aspirin (Required Practical 6a) (12:36)
Thin Layer Chromatography (Required Practical 6b) (10:14)
Determination of Melting Point (Required practical 6c) (7:03)
Testing for Organic Compounds (Required practical 7) (14:39)
Electrochemical Cells (Required Practical 8) (11:50)
Gas Collection Method – Continuous Rate (Required Practical 9a) (13:39)
Loss in Mass Method – Continuous Rate (Required Practical 9b) (10:13)
Iodine Clock – Initial Rate (Required Practical 10) (10:07)
REDOX Reaction – Thiosulfate + Iodine (7:17)
pH Measurement / pH Curves (Required Practical 11) (11:14)
AS: FUNDAMENTAL CHEMISTRY
Basic Atomic Structure (7:15)
Isotopes (8:14)
Ions (4:41)
Common Ions & Predicting Charges (9:38)
Writing Formulae (8:26)
Balancing Equations (7:48)
Stoichiometry (6:41)
AS: ATOMIC STRUCTURE & PERIODIC TABLE (1)
Relative Atomic Mass (9:52)
Relative Molecular Mass & Relative Formula Mass (10:27)
How the TOF Mass Spectrometer Works (11:16)
Mass Spectra Examples & Calculations (5:23)
Mass Spectra – Diatomic Elements (7:44)
Calculating an Unknown Isotopic Mass (7:56)
Electron Orbitals (11:24)
Writing Electronic Configurations (11:59)
Electronic Configurations of Ions (9:40)
Electrons in Boxes (7:45)
1st Molar Ionisation Energy (8:24)
1st I.E.s Across a Period (13:01)
1st I.E.s Down a Group (8:40)
Successive I.E.s (12:24)
1st Molar I.E.’s – The Graph! (5:48)
Period 3 Bonding & Trends (7:28)
AS: BONDING (2A)
Electronic Configurations of Ions (9:40)
Ionic Crystal Structure & Bonding – NaCl (8:26)
Ionic Crystal Structure & Properties (7:20)
The Covalent Bond (10:09)
The Coordinate Bond (7:24)
Bond Lengths & Bond Strengths (8:06)
Metallic Crystal Structure – Magnesium (9:50)
V.S.E.P.R. – Intro (15:21)
Shapes & Bond Angles (12:27)
Finding Shapes of Unknowns – Episode 1 (10:49)
Finding Shapes of Unknowns – Episode 2 (10:43)
Shapes in Larger Molecules (6:55)
Electronegativity (11:54)
Permanent Dipole Forces (10:05)
Induced Dipole Forces (9:51)
Hydrogen Bonding (10:08)
Spotting IMFs – Comparing Compounds (7:25)
AS: STRUCTURE (2B)
Macromolecular Crystal Structure – Carbon (10:01)
Molecular Crystal Structure – Ice (6:38)
Molecular Crystal Structure – Iodine (5:44)
AS: REDOX I (3)
Oxidation Numbers / States (10:53)
Deducing Oxidation States (12:20)
REDOX Equations (8:33)
REDOX Half Equations (8:30)
Combining Half Equations (7:12)
REDOX in Acidic Conditions (9:00)
Ionic Equations (8:12)
AS: GROUPS 1 & 2 (4A)
How The Periodic Table Works (7:52)
Group 2 Properties & Trends (5:05)
Group 2 Elements + Water (7:23)
Group 2 Elements w/ Oxygen & Chlorine (5:23)
Group 2 Oxides & Hydroxides w/ Water & Dilute Acid (6:58)
Group 2 Salts – Solubility & Tests (7:27)
Thermal Stability of Group 1/2 Carbonates (8:19)
Thermal Stability of Group 1/2 Nitrates (4:38)
Flame tests (9:14)
Uses of Group 2 Compounds (8:54)
AS: GROUP 7 (4B)
Group 7 Properties & Trends (6:55)
Testing for Halide Ions (8:21)
Reactions of Chlorine (9:31)
Group 7 REDOX (15:39)
Sodium Halides + conc. Sulfuric Acid (10:42)
Hydrogen Halides + Water & Ammonia (4:38)
AS: ANALYSIS OF INORGANIC COMPOUNDS (4C)
Analysis – Testing for Ions (13:19)
AS: AMOUNTS OF SUBSTANCE (5)
The Mole & Avogadro’s Constant (8:16)
The Mole & Mass (9:41)
Calculations & Stoichiometry (11:18)
Moles & Mass Question 1 (4:49)
Moles & Mass Question 2 (4:38)
Moles & Mass Question 3 (6:24)
Finding .xH2O Calculation (7:26)
The Mole & Solutions (7:59)
Moles & Solutions Question 1 (5:40)
Moles & Solutions Question 2 (5:38)
Moles & Solutions Question 3 (5:01)
Molar Gas Volume (7:25)
The Ideal Gas Equation Explained (11:10)
Ideal Gas Equation Question 1 (7:12)
Ideal Gas Equation Question 2 (6:34)
Ideal Gas Equation Question 3 (7:30)
% Composition by Mass (7:24)
Empirical and Molecular Formulae (12:57)
% Atom Economy (8:10)
% Yield (8:41)
AS: INTRODUCTION TO ORGANIC CHEMISTRY (6A)
Carbon Chemistry (8:27)
Single Bond Rotation (6:40)
Functional Groups (Year 1 / AS) (7:33)
Organic Formulae (10:15)
IUPAC Nomenclature (10:22)
The Numbering System (10:07)
Key Terms in Organic Chemistry (5:56)
Organic Reaction Key Terms (9:17)
AS: ALKANES (6B)
Alkanes – Properties (7:33)
Structural Isomers (8:05)
Fractional Distillation (8:51)
Cracking (12:06)
Cyclical Alkanes (4:08)
Combustion of Alkanes (9:03)
Combustion – Environmental Impact (8:25)
Free Radical Substitution (13:57)
AS: ALKENES (6C)
Alkenes – Properties (7:03)
The C=C Double Bond (7:05)
Testing for Alkenes (9:30)
Geometrical Isomers (9:32)
Naming Geometrical Isomers (12:19)
Electrophilic Addition Mechanism (11:10)
Markovnikov’s Rule (Asymmetrical Alkenes) (10:41)
Hydrogenation & Hydration (5:25)
Addition Polymerisation (10:07)
Waste Polymers (6:22)
AS: HALOGENOALKANES (6D)
Halogenoalkanes – Properties (8:57)
Testing for Halogenoalkanes (6:10)
Nucleophilic Substitution Mechanism – Forming Alcohols & Nitriles (8:27)
Nucleophilic Substitution Mechanism – Forming Amines (6:02)
Relative Ease of Substitution (7:52)
Rate of Hydrolysis – SN1/SN2 (9:59)
AS: ALCOHOLS (6E)
Alcohols – Properties (8:37)
Producing Alcohols (9:03)
Combustion of Alcohols & Biofules (7:50)
Oxidation of Primary Alcohols (12:23)
Oxidation of Secondary & Tertiary Alcohols (7:02)
Testing for Aldehydes, Ketones & Carboxylic Acids (8:44)
Substitution with Halogens (7:17)
AS: MODERN ANALYTICAL TECHNIQUES I (7)
Organic I.D. – Test Tube Reactions 1 (7:35)
Organic I.D. – Test Tube Reactions 2 (5:59)
Mass Spectra for Organic Molecules – Fragmentation (12:46)
Mass Spectra for Organic Molecules – Halo-Isotopes (7:51)
Infrared Spectroscopy (10:13)
Infrared Spectra – Examples (5:44)
AS Organic Synthesis – Cheat Sheet
AS: ENERGETICS I (8)
Enthalpy (H) & Enthalpy Change (ΔH) (10:40)
Enthalpy Change (ΔH) – The Reactions (10:54)
Energy Profile Diagrams (7:57)
Calorimetry (Q = mcΔT) (10:16)
Calorimetry: Alternative Calculation (5:00)
Calorimetry – Finding ΔH Neutralisation (13:05)
Calorimetry – Finding ΔH Combustion (8:56)
Hess’ Law (9:34)
Hess’ Law – Using Enthalpy of Formation (ΔHf) (9:39)
Hess’ Law – Enthalpy of Combustion (ΔHc) (7:50)
Hess’ Law – Example Calculation 1 (6:16)
Hess’ Law – Example Calculation 2 (9:02)
Mean Bond Enthalpies (10:42)
AS: KINETICS I (9)
Collision Theory (8:59)
The Maxwell-Boltzmann Distribution Curve (5:45)
Maxwell-Boltzmann & Concentration (4:30)
Maxwell-Boltzmann & Temperature (4:12)
Maxwell-Boltzmann & Catalysts (2:47)
How Catalysts Work (7:56)
AS: EQUILIBRIUM I (10)
Dynamic Equilibria (10:04)
Le Chatlelier’s Principle (6:11)
Changes in Concentration (7:13)
Changes in Pressure (6:48)
Changes in Temperature (6:12)
The Haber Process – Equilibria (8:06)
The Kc Expression (9:19)
Kc – Deducing Amounts at Equilibrium (9:25)
Kc Calculations – Number & Units (10:21)
Kc Calculations – Example Question 1 (7:21)
Kc Calculations – Example Question 2 (6:16)
AS: PRACTICAL CHEMISTRY
Measure the Molar Volume of a Gas (Required Practical 1) (8:57)
Preparing a Standard Solution (Required Prac 2) (8:14)
Setting up a Titration (10:01)
Performing an Acid-Base Titration (Required Practical 3a) (9:58)
Acid-Base Titration Calculations (Required Practical 3b) (10:17)
Back Titrations (6:23)
Back Titration Calculations (8:32)
Gravimetric Analysis (Finding .xH2O) (12:45)
Measuring ΔHc (13:18)
Measuring ΔHn (13:07)
Measuring Rate – Gas Collection (Continuous Rate Method) (13:39)
Measuring Rate – Loss in Mass (Continuous Rate Method) (10:13)
Testing for Inorganic Ions (Required Practical 7a) (13:19)
Testing for Organic Compounds (Required Practical 7b) (14:39)
Refluxing (9:36)
Distlillation (9:18)
A: EQUILIBRIUM II (11)
The Kp Expression (7:28)
Deducing Mole Fractions & Partial Pressures (11:37)
Kp – Numbers & Units (7:01)
A: ACID-BASE EQUILIBRIA (12)
Definitions of Acids & Bases (10:30)
Calculating pH – Intro (9:59)
Calculating pH – Strong Acids (8:11)
Calculating Concentration – Strong Acids (5:24)
Weak Acids – Ka (10:30)
Calculating pH – Weak Acids (6:48)
Calculating Concentration – Weak Acids (8:59)
Kw – Ionic Product of Water (10:31)
Calculating pH – Strong Bases (10:41)
Calculating Concentration – Strong Bases (8:06)
pKa & pKw (8:24)
Types of pH Curve (8:39)
How pH Curves Work (7:24)
What pH Curves can tell you (Finding Ka) (9:20)
Enthalpy Changes in Neutralisation Reactions (7:05)
How Acid Buffers Work (11:27)
How Basic Buffers Work (7:36)
Calculating pH of an Acid Buffer (8:08)
Acid Buffer pH Example Calculation (8:08)
Acid Buffer Component Calculation (7:16)
Buffer Action in Blood (7:39)
A: LATTICE ENERGY (13A)
Lattice Enthalpy (8:38)
Born-Haber Cycles Explained (15:31)
Born-Haber Example – MgO (12:14)
Born-Haber Example – CaBr2 (7:20)
Lattice Enthalpy & The Perfect Ionic Model (11:55)
Calculating Enthalpy of Solution (10:37)
Enthalpy of Solution Example Question 1 (4:05)
Enthalpy of Solution Example Question 2 (4:50)
A: ENTROPY (13B)
Entropy of a System (ΔS system) (8:38)
Gibbs Free Energy (ΔG) (10:09)
Gibbs Free Energy (ΔG) Calculations 1 (5:45)
Gibbs Free Energy (ΔG) Calculations 2 (5:54)
The Graph: ΔG vs T (7:41)
Entropy of a System (△S Total) (7:43)
Gibbs & Equilibria (9:33)
A: REDOX II (14)
Half Cells & Half Equations (10:03)
Combining Half Cells – Conventions (14:51)
Half-Cells of Ions in Solution (10:11)
The Standard Hydrogen Electrode (7:39)
The Electrochemical Series (5:45)
Calculating EMF (7:09)
Predicting Reactions (10:31)
Predicting the Feasibility of Reactions (9:48)
Effect of Changing Conditions (10:24)
Disproportionation & E Values (5:51)
Storage Cells (7:04)
Relationship Between E-Cell Entropy and LnK (8:30)
The Lithium Ion Battery (10:25)
Fuel Cells (5:43)
The Hydrogen Fuel Cell (7:02)
Pro’s & Con’s of the Hydrogen Fuel Cell (7:24)
The Fe2+ / Permanganate REDOX Reaction (9:27)
The Thiosulfate / Iodine Titration (7:17)
A: TRANSITION METAL CHEMISTRY (15A)
Characteristics of Transition Metals (9:34)
General Trends in Transition Metal Oxidations States (7:25)
Ligands & Complexes (9:39)
Why Complexes are Coloured (13:27)
Bidentate Ligands (9:54)
Multidentate Ligands (9:02)
Shapes of Complex Ions (6:40)
Isomerism in Monodentate Complexes (8:41)
Isomerism in Bidentate Complexes (4:56)
A: REACTIONS OF TRANSITION METALS (15B)
Reduction of Vanadium by Zinc (10:31)
REDOX Reaction – Dichromate + Zn (6:37)
REDOX Reaction – Cr3+ + Hydrogen Peroxide (7:27)
Precipitation Reactions + NaOH (9:35)
Precipitation Reactions + NH3 (7:24)
Copper Complexes (11:59)
Cobalt Complexes (7:19)
Ligand Exchange & Entropy (AKA The Chelate Effect) (9:13)
Homogeneous Catalysts (7:12)
Heterogeneous Catalysts (8:39)
Autocatalysis (Mn2+) (9:04)
A: KINETICS II (16)
Orders of Reaction (9:50)
Finding Orders Using Data 1 (5:57)
Finding Orders Using Data 2 (9:16)
Finding Orders Using Conc Vs Time Graph (8:45)
Half-Life (11:32)
Half Life & K (6:40)
The Rate Expression (8:42)
Using the Rate Expression (7:21)
The Rate Expression & The Rate Determining Step (12:37)
Understanding the Arrhenius Equation (11:09)
The Arrhenius Equation – The Graph (9:27)
The Rate of Haloalkane Hydrolysis: SN1 SN2 (9:59)
A: CHIRALITY (17A)
Optical Isomers & Chirality (9:23)
Enantiomers & Polarimetry (9:33)
A: CARBONYL COMPOUNDS (17B)
Carbonyl Chemistry & Oxidation (8:14)
Reduction of Carbonyls (6:04)
Aldehydes + HCN (9:29)
Ketones + HCN (7:16)
Nucleophilic Addition – Chiral Products (8:33)
Testing for Carbonyls (8:58)
A: CARBOXYLIC ACIDS (17C)
Carboxylic Acid Structure & Chemistry (11:08)
Reactions of Carboxylic Acids (7:23)
Reactions of Acyl Chlorides (10:09)
Producing Esters (12:00)
Polyesters (10:35)
Identification of Repeating Units (10:00)
Hydrolysis of Esters (9:29)
A: ARENES – BENZENE (18A)
Benzene Structure (9:30)
Evidence for Benzene Structure (8:44)
Benzene Vs Alkenes – Reactivity (5:51)
Electrophilic Substitution Mechanism – Halogenation (11:05)
Electrophilic Substitution Mechanism – Nitration (& Reduction to phenylamine) (8:39)
Electrophilic Substitution Mechanism – Acylation (8:14)
Naming Substituted Benzene Compounds (8:46)
Phenol – Ease of Substitution (6:55)
A: AMINES, AMIDES, AMINO ACIDS & PROTEINS (18B)
Amine Structure & Chemistry (11:47)
Producing Amines (10:44)
Amines – Relative Base Strength (8:12)
Amines + Acids (6:48)
Amines & Copper Complex Ions (11:45)
Amino Acid Structure (10:18)
Polymerisation of Amino Acids (9:52)
Hydrolysis of Amino Acids (9:14)
Amino Acids in Different pH’s (10:41)
Polyamides (10:35)
Protein Structure (10:57)
Identification of Repeating Units (10:00)
Hydrolysis – A Reminder (9:29)
A: ORGANIC SYNTHESIS (18C)
Grignard Reagents – Extending the Carbon Chain (10:42)
A Level Organic Synthesis – Cheat Sheets
A: SPECTROSCOPY & CHROMATOGRAPHY (19)
H-NMR Spectroscopy (14:06)
Understanding H-NMR Spectra (11:56)
H-NMR Example Spectra 1 (8:48)
H-NMR Example Spectra 2 (9:27)
Carbon-13 NMR (9:40)
Thin Layer Chromatography (13:02)
Column Chromatography (7:13)
Gas Chromatography (7:53)
A: PRACTICAL CHEMISTRY
Finding the Ka of a Weak Acid (Core Practical 9) (11:14)
Investigating Electrochemical cells (Core Practical 10) (11:50)
Identifying / Producing Transition Metal Complexes (Core Practical 12) (18:03)
The Iodine Clock Reaction – Initial Rate Method (Core Practical 13a) (10:07)
Testing for Organic Compounds (Core Practical 15) (14:39)
Preparation of Aspirin (Core Practical 16) (12:36)
Practical Thin Layer Chromatography (10:14)
Determination of Melting Point (7:03)
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AS: STARTING YEAR 12
1. Indices Surds Fractions (84:10)
2. Factorising (25:56)
3. Completing the Square (40:03)
4. Simultaneous Equations (31:37)
AS: ALGEBRAIC TECHNIQUES
5. Hidden Quadratics (7:36)
6. The Discriminant of a Quadratic (6:49)
7. The Factor Theorem & Algebraic Division (10:24)
8. The Binomial Expansion (12:38)
9. Using the Binomial Expansion (12:23)
AS: FUNCTIONS & GRAPHS
10. Modelling with Linear Functions (10:29)
11. Modelling with Quadratic Functions (12:16)
12. Sketching Factorised Polynomials (12:20)
13. Graph Transformations (7:47)
14. Transformations of Functions (9:29)
15. Sketching Transformations of x^3 and x^4 (7:23)
16. Sketching Transformations of 1/x and 1/x^2 (10:23)
17. Sketching (ax+b)/(cx+d) (8:10)
18. Solving Inequalities (15:01)
19. Sketching Inequalities (20:03)
AS: LINES & CIRCLES
20. Line Equation (20:59)
21. Line Geometry (13:26)
22. Circle Geometry (17:22)
AS: VECTORS & TRIANGLES
23. Formulae for Sectors & Triangles (10:52)
24. Introduction to Vectors (10:18)
25. Vectors – Shape Problems (12:15)
26. Vectors – Shape Proofs (11:30)
AS: EXPONENTIALS & LOGS
27. Modelling with Exponential Functions (12:14)
28. Logarithmic Functions (9:28)
29. Exponential & Logarithmic Equations (8:20)
30. Log Rules (5:11)
31. Linearising Data with Logs (15:04)
AS: TRIGONOMETRY
32. Understanding sinx, cosx, tanx (10:30)
33. Solve ‘Mini’ Trig Equations (12:03)
AS: DIFFERENTIATION
34. Intro to Differentiation – Tangents & Normals (9:53)
35. Stationary Points (11:25)
36. Optimisation Problems (7:45)
AS: INTEGRATION
37. Introduction to Integration (12:48)
38. Areas Under Curves (11:27)
AS: PROOF
39. Disproof by Counter Example (6:43)
40. Proof by Exhaustion (26:44)
41. Odd/Even & Consecutive Number Proofs (16:34)
42. Rational/Irrational Number Proofs (5:05)
43. First Principles (12:05)
AS: (Stats) REPRESENTING DATA
44. Survey vs Census (9:09)
45. Sampling Techniques (16:39)
46. Comparing Data Sets (9:15)
47. Histograms (8:37)
48. Quantiles & Interpolation (17:54)
49. Standard Deviation (9:02)
50. Regression Lines (10:53)
AS: (Stats) PROBABILITY
51. Venn Diagrams & Set Notation (12:02)
AS: (Stats) BINOMIAL DISTRIBUTION
52. Binomial Probabilities (13:13)
53. Binomial Inverse Problems (10:38)
54. Further Binomial Problems (9:52)
AS: (Stats) HYPOTHESIS TESTING
56. Hypothesis Testing (Binomial) – Critical Values (13:56)
55. Hypothesis Testing for Significance (Binomial) (11:30)
AS: (Mech) CONSTANT ACCELERATION (SUVAT)
57. st, vt & at Graphs (15:24)
58. Constant Acceleration Problems (9:45)
59. Vertical Motion Under Gravity (9:40)
60. Change in Motion Problems (11:41)
61. Vectors – Position & Velocity Problems (12:08)
AS: (Mech) NON CONSTANT ACCELERATION
62. 1D Variable Acceleration (9:35)
AS: (Mech) FORCE ACCELERATION PROBLEMS
63. Drawing Force Diagrams (11:16)
64. Forces & Newton’s Laws (11:47)
65. Car/Trailer & Lift Problems (12:48)
66. Pulley Problems (10:27)
67. Change in Motion (eg string breaks) (12:54)
68. Vectors – Force Problems (9:26)
A: ALGEBRAIC TECHNIQUES
1. Algebraic Fractions (6:29)
2. Partial Fractions (9:03)
The Binomial Expansion (AS Tutorial) (12:38)
3. Using the Binomial Expansion (12:23)
A: SEQUENCES & SERIES
4. Notation & Language of Series (14:08)
5. Arithmetic Series & Geometric Series (10:08)
A: NUMERICAL METHODS
7. Change of Sign Argument (12:05)
8. Cobwebs & Staircases (13:21)
9. Newton-Raphson (10:07)
10. The Trapezium Rule (10:11)
A: FUNCTIONS & GRAPHS
12. Domain & Range (11:13)
13. Composite Functions (13:29)
14. Inverse Functions (9:39)
15. Modulus Graphs (11:13)
16. Modulus Equations & Inequalities (8:22)
17. Parametrically Defined Functions (13:57)
18. Converting Parametric to Cartesian (7:39)
A: VECTORS & SECTORS
19. Sector & Triangle Problems
20. Vectors in 3 Dimensions (11:32)
A: TRIGONOMETRY
21. Small Angle Approximations (9:19)
22. Reciprocal Trig Functions (8:39)
23. Pythagorean Identites (14:49)
24. Addition Formulae (19:51)
25. Double/Half Angle Formulae (24:55)
26. Harmonic Form Rcos(x+a) (12:12)
27. Inverse Trig Functions (14:17)
A: DIFFERENTIATION
28. Increasing, Decreasing, Concave & Convex Graphs (15:12)
29. The Derivatives (8:55)
30. The Chain Rule (21:40)
31. The Product & Quotient Rules (9:18)
33. Connected Rates & Parametric Differentiation (The Chain Rule) (7:57)
34. Implicit Differentiation (The Chain Rule) (12:14)
35. Differentiating x=f(y) (Implicit Differentiation) (5:42)
A: INTEGRATION
36. How to Integrate (G-D-A) (11:54)
37. Integrate Fractions & Trig (11:43)
38. Integration by Substitution & Parametric Integration (10:28)
39. Integration by Parts (8:21)
40. Form & Solve Differential Equations (12:02)
A: PROOF
41. First Principles Trig (24:00)
42. Proof by Contradiction (18:52)
A: (Stats) CORRELATION & REGRESSION
43. Product Moment Correlation Coefficient (9:28)
A: (Stats) PROBABILITY
44. Conditional Probability (10:44)
A: (Stats) NORMAL DISTRIBUTION
45. Key Features of a Normal Distribution (10:43)
46. Normal – Mean & Variance Known (11:15)
47. Normal – Mean & Variance Unknown (6:40)
48. Using the Normal to Approximate the Binomial (9:01)
A: (Stats) HYPOTHESIS TESTING
49. Hypothesis Testing for the Mean of a Population (9:11)
50. Hypothesis Testing for Zero Correlation (6:55)
A: (Mech) PROJECTILES
51. Projectiles (19:12)
A: (Mech) NON CONSTANT ACCELERATION
52. 2D Variable Acceleration (13:27)
A: (Mech) FORCE ACCELERATION PROBLEMS
53. Friction (8:35)
54. Resolving Forces (16:29)
55. Smooth Bead Problems (6:51)
A: (Mech) MOMENTS
56. Finding Moments (11:13)
57. Beam Problems with Parallel Forces (9:21)
58. Beam Problems – Non Parallel Forces (10:52)
59. Hinge Problems (12:41)
60. Ladder Problems (Not For AQA Students) (13:30)
EDEXCEL AS: SPECIMEN P1
Q1 (A) Line Equation (5:20)
Q2 (A) Differentiation (2:49)
Q3 (A) Vectors (3:07)
Q4 (E) Factor Theorem (6:45)
Q5 (E) Integration (5:33)
Q6 (A) First Principles (9:40)
Q7 (E) Binomial Expansion (5:15)
Q8 (E) Triangle Problem (7:05)
Q9 (E) Trig Equation (6:56)
Q10 (E) Discriminant (5:58)
Q11 (M) Proof (6:11)
Q12 (E) Identify the Error (4:56)
Q13 (M) Sketch Cubic & Graph Transformations (9:01)
Q14 (E) Linearising Data with Logs (15:57)
Q15 (E) Equation of a Tangent and Intersection (7:49)
Q16 (M) Optimisation (14:17)
Q17 (E) Circle Problem (13:29)
EDEXCEL AS: SPECIMEN P2
Q1 (A) Large Data Set, Sampling Techniques & Standard Deviation (5:05)
Q2 (E) Histogram (7:34)
Q3 (E) Venn Diagram (7:01)
Q4 (E) Regression Line (12:19)
Q5 (M) Binomial Distribution (15:39)
Q6 (A) vt Graph (4:45)
Q7 (E) suvat (7:32)
Q8 (M) Variable Acceleration (8:52)
Q9 (M) Connected Particles over Pulley (8:18)
AS: EDEXCEL 2018 PAPER 1
Q1 (A) Integration Yr 1 (3:31)
Q2 (E) Proof (6:48)
Q3 (A) Vectors (3:24)
Q4 (A) Line Equation (4:37)
Q5 (A) Identify the Error (logs) (5:11)
Q6 (A) Modeling with Quadratics (9:40)
Q7 (E) Triangle Problem (6:38)
Q8 (A) Optimization (8:34)
Q9 (E) Factor Theorem and Graph Transformations (10:50)
Q10 (A) 1st Principles (6:18)
Q11 (E) Binomial Expansion (5:14)
Q12 (M) Trig Yr 1 (7:46)
Q13 (A) Linearising data with logs (8:42)
Q14 (A) Discriminant (9:44)
Q15 (M) Areas under Curves (11:20)
AS: EDEXCEL 2018 PAPER 2
Q1 (A) Regression Line (6:31)
Q2 (E) Probability (9:03)
Q3 (A) Hypothesis Test – Binomial (8:21)
Q4 (E) Large Data Set (10:26)
Q5 (M) Discrete Random Variables (8:53)
Q6 (E) Suvat (Vertical) (5:14)
Q7 (A) vt graph (11:46)
Q8 (E) Variable Acceleration (10:56)
Q9 (E) Connected Particles Over a Pulley (9:49)
AS: OCR SPECIMEN PAPER 1
Q1 (A) Differentiation (2:27)
Q2 (A) Circle Equation (4:40)
Q3 (A) Triangle Problem (4:22)
Q4 (A) Stationary Point (5:16)
Q5 (E) Areas Under Curves (7:42)
Q6 (M) Factor Theorem & Trig Equation (10:29)
A: EDEXCEL SPECIMEN PAPER 1
Q1 (A) Stationary Points (4:50)
Q2 (A) Sectors Problem (4:23)
Q3 (E) Circle Equation (4:54)
Q4 (A) Integration (5:19)
Q5 (A) Parametric Conversion (5:23)
Q6 (M) Linear & Exponential Modelling (9:51)
Q7 (A) Vectors (6:27)
Q8 (E) Newton-Raphson (9:20)
Q9 (E) Trig Proof (7:20)
Q10 (A) First Principles (8:15)
Q11 (M) Modelling with Quadratics (11:50)
Q12 (E) Log-Log Graphs (10:18)
Q13 (A) Parametric Differentiation (11:34)
Q14 (E) Trapezium Rule & Areas Under Curves (10:19)
Q15 (M) Stationary Points, Trig, Graph Transformations (11:13)
A: EDEXCEL SPECIMEN PAPER 2
Q1 (A) Factor Theorem (2:30)
Q2 (E) Trig Equation (3:48)
Q3 (A) Differentiation (4:19)
Q4 (A) Composite Functions (4:40)
Q5 (A) Exponential Model (4:14)
Q6 (E) Proof (6:23)
Q7 (A) Binomial Expansion (5:36)
Q8 (E) Coordinate Geometry (7:17)
Q9 (A) Integration (6:05)
Q10 (A) Geometric Series (6:04)
Q11 (E) Modulus Equation (8:15)
Q12 (E) Trig Equation (6:56)
Q13 (E) Rcos(x+a) (12:16)
Q14 (E) Optimisation (8:02)
Q15 (M) Area Under Curve (8:37)
Q16 (M) Differential Equation (13:57)
A: EDEXCEL SPECIMEN PAPER 3
Q1 (M) Histogram, Grouped Data, Normal Distribution (11:52)
Q2 (A) Correlation & Regression, Hypothesis Test – Correlation (7:46)
Q3 (M) Normal & Binomial Distribution, Hypothesis Test – Normal (11:46)
Q4 (E) Probability (10:53)
Q5 (M) Binomial & Normal Distribution (12:03)
Q6 (A) Variable Acceleration – Vectors (3:37)
Q7 (E) Particle on a Slope (11:20)
Q8 (E) Vectors – Position & Velocity (9:34)
Q9 (E) Ladder Problem (13:57)
Q10 (A) Projectiles (12:01)
A: EDEXCEL 2018 PAPER 1
Q1 (A) Small Angles (7:06)
Q2 (A) Stationary point Yr 1 (10:32)
Q3 (A) Sector Problem (5:36)
Q4 (A) Iteration (12:27)
Q5 (E) Differentiation Yr2 (10:35)
Q6 (E) Circle Problem (15:37)
Q7 (E) Integration Yr2 (12:10)
Q8 (M) Trig Yr1 (11:55)
Q9 (E) Implicit Differentiation (16:16)
Q10 (M) Solving Differential Equations (16:12)
Q11 (E) Binomial Expansion Y2 (16:23)
Q12 (A) Exponential Decay (16:21)
Q13 (M) Integration Yr2 (12:26)
Q14 (M) Parametric Function (19:03)
A: EDEXCEL 2018 PAPER 2
Q1 (A) Functions (12:04)
Q2 (A) Vectors Yr2 (9:31)
Q3 (E) Proof and Modulus Inequality (12:02)
Q4 (A) Sequences and Series (13:31)
Q5 (A) Newton Raphson (11:19)
Q6 (M) Factor Theorem (12:55)
Q7 (M) Trig Yr2 (16:00)
Q8 (E) Modelling with Quadratics (16:16)
Q9 (A) 1st Principles Yr2 (9:01)
Q10 (E) Form and Solve Differential Equations (15:49)
Q11 (E) Partial Fractions and Decreasing Function (12:14)
Q12 (M) Trig Yr2 (12:45)
Q13 (M) Areas Under Curves Yr2 (13:06)
Q14 (M) Exponential Growth (18:30)
A: EDEXCEL 2018 PAPER 3
Q1 (M) Large Data Set (Discrete Uniform Distribution) (8:10)
Q2 (E) Hypothesis Test-Correlation (13:42)
Q3 (M) Binomial Distribution and Discrete Random Variables (12:23)
Q4 (A) Sampling Methods and Data Calculations (10:09)
Q5 (M) Normal Distribution and Hypothesis test (15:26)
Q6 (A) Variable Acceleration (Vectors) (4:57)
Q7 (E) Force Acceleration Problem Yr2 (10:28)
Q8 (E) Vectors (Force Problem) Yr1 (8:33)
Q9 (M) Moments (20:18)
Q10 (M) Projectiles (14:21)
AQA AS: Specimen PAPER 1
Q1 (A) Graph Transformations (1:38)
Q2 (E) Proof (2:55)
Q3 (A) Indices (2:53)
Q4 (A) Surds (3:55)
Q5 (A) Identify the Error (3:20)
Q6 (E) Area of a Parallelogram (5:33)
Q7 (E) Lines (3:50)
Q8 (E) Binomial Expansion (6:11)
Q9 (E) First Principles (5:09)
Q10 (A) Linearising Data with Logs (9:09)
Q11 (M) Proof (6:15)
Q12 (E) Equation of Tangent (7:39)
Q13 (E) Vectors (4:01)
Q14 (A) Lift Problems (4:17)
Q15 (E) vt Graph (4:11)
Q16 (A) Variable Acceleration (7:12)
Q17 (E) Particles Connected Over a Pulley (8:36)
AQA AS: SPECIMEN PAPER 2
Q1 (A) Factor Theorem (1:29)
Q2 (E) Graph Transformations (2:02)
Q3 (A) Logs (2:19)
Q4 (A) Complete the Square (3:30)
Q5 (A) Discriminant (3:32)
Q6 (E) Areas Under Curves (3:47)
Q7 (M) Trig Equations (4:06)
Q8 (A) Increasing Function (5:00)
Q9 (E) Differentiation (3:50)
Q10 (E) Exponential Growth (9:00)
Q11 (E) Circles (7:05)
Q12 (E) Proof (6:05)
Q13 (A) Discrete Random Variables (1:32)
Q14 (A) Large Data Set (1:25)
Q15 (E) Probability (3:38)
Q16 (E) Large Data Set (4:25)
Q17 (A) Outliers (6:59)
Q18 (E) Sampling Techniques (5:01)
Q19 (M) Hypothesis Test-Binomial (12:23)
AS: AQA 2018 PAPER 1
Q1 (E) Gradients of Lines (1:04)
Q2 (A) Tangent to Circle (0:42)
Q3 (A) Decreasing (0:46)
Q4 (A) Binomial Expansion (1:25)
Q5 (M) Line Equation (1:39)
Q6 (M) Trig Proof and Equation (1:42)
Q7 (M) Proof (1:33)
Q8 (E) Linearising Data with Logs (1:32)
Q9 (E) First Principles (2:23)
Q10 (E) Stationary Points (2:20)
Q11 (A) suvat (0:48)
Q12 (A) Newton Second Law (0:44)
Q13 (A) vt Graph (1:44)
Q14 (E) Connected Particles (1:39)
Q15 (M) Force Acceleration Problem (2:10)
Q16 (A) Variable Acceleration and suvat (1:15)
AS: AQA 2018 PAPER 2
Q1 (A) Integration (0:39)
Q2 (A) Graph Transformations (0:52)
Q3 (A) Logs (0:27)
Q4 (E) Trig Equation (1:38)
Q5 (M) Integration (1:30)
Q6 (E) Vector Proof (1:56)
Q7 (E) Discriminant (1:29)
Q8 (M) Circles (1:29)
Q9 (M) Trig Exact Values (1:01)
Q10 (M) Binomial Expansion (2:11)
Q11 (E) Optimisation (2:03)
Q12 (E) Exponential Growth (2:10)
Q13 (A) Discrete Random Variable (0:34)
Q14 (A) Standard Deviation (0:32)
Q15 (M) Binomial Distribution (1:21)
Q16 (A) Sampling Methods (1:04)
Q17 (A) Large Data Set (0:52)
Q18 (A) Correlation (1:00)
Q19 (A) Hypothesis Test – Binomial (1:41)
A: AQA SPECIMEN PAPER 1
Q1 (A) Differentiation (0:53)
Q2 (A) Differentiation (1:07)
Q3 (A) Small Angle Approximations (1:33)
Q4 (E) Factor Theorem & Algebraic Division (4:09)
Q5 (E) Sector Problem (4:02)
Q6 (A) Form a Differential Equation (2:01)
Q7 (A) Discriminant (2:08)
Q8 (E) Integration (4:05)
Q9 (E) Increasing/Decreasing (4:24)
Q10 (A) Functions (4:57)
Q11 (M) Circle Geometry (5:03)
Q12 (M) Implicit Differentiation (4:45)
Q13 (A) Trig Proof (3:00)
Q14 (E) Optimisation (6:22)
Q15 (A) Differential Equations (4:48)
Q16 (M) Proof (4:29)
Q17 (A) First Principles (4:06)
A: AQA SPECIMEN PAPER 2
Q1 (A) Binomial Expansion (1:45)
Q2 (A) Exponential Growth (1:21)
Q3 (A) Parametric Differentiation & Conversion (4:03)
Q4 (A) Newton-Raphson (7:52)
Q5 (E) Rcos(x+a) (8:39)
Q6 (E) Surds & Quadratics (4:40)
Q7 (E) Proof (5:53)
Q8 (E) Inflection Points (12:12)
Q9 (E) Arithmetic & Geometric Series (8:20)
Q10 (A) Newton’s Law (1:21)
Q11 (A) Moments (2:27)
Q12 (A) vt Graph (4:04)
Q13 (E) Resultant Force (5:32)
Q14 (M) vt Graph & Forces (7:48)
Q15 (M) Non-Uniform Acceleration (10:21)
Q16 (E) Particle on a Slope (13:19)
Q17 (E) Projectiles (11:00)
A: AQA SPECIMEN PAPER 3
Q1 (A) Areas Under Curves (1:44)
Q2 (E) Sectors & Triangles (4:47)
Q3 (E) Exponential Growth (12:31)
Q4 (A) Integration (5:01)
Q6 (E) Integration (5:50)
Q5 (A) Binomial Expansion (6:51)
Q7 (M) Concave/Convex & Trapezium Rule (10:35)
Q8 (A) Sampling Techniques (1:50)
Q9 (A) Binomial Distribution (5:44)
Q10 (E) Correlation (8:41)
Q11 (E) Discrete Random Variables (3:19)
Q12 (E) Hypothesis Test – Binomial (10:04)
Q13 (E) Normal Distribution (9:32)
Q14 (E) Hypothesis Test – Normal (13:02)
Q15 (M) Probability (5:15)
A: AQA 2018 PAPER 1
Q1 (A) Differentiation Yr1 (2:01)
Q2 (A) Graph Transformation (2:33)
Q3 (A) Sequences (1:55)
Q4 (A) Inverse Function (4:19)
Q5 (A) Parametrics (8:27)
Q6 (M) Binomial Expansion (14:46)
Q7 (E) Circles (11:51)
Q8 (E) Sectors and Newton Raphson (10:07)
Q9 (A) Arithmetic Series (8:04)
Q10 (M) Exponential Decay (11:37)
Q11 (E) Iteration (11:56)
Q12 (E) Factor Theorem and Trig (11:37)
Q13 (M) Optimisation (12:41)
Q14 (M) Proof (13:34)
Q15 (E) First Principles (9:25)
A: AQA 2018 PAPER 2
Q1 (E) Proof (2:16)
Q2 (A) Binomial Expansion (2:44)
Q3 (A) Area Under Curve (2:23)
Q4 (A) Discriminant (7:31)
Q5 (M) Proof (3:25)
Q6 (M) Implicit Differentiation (5:56)
Q7 (M) Integration (7:15)
Q8 (E) RCos(x+a) (12:12)
Q9 (A) Differential Equation (17:45)
Q10 (A) Suvat (2:31)
Q11 (E) Moments (2:27)
Q12 (E) vt graph (6:19)
Q13 (E) Force Acceleration with Friction (10:08)
Q14 (E) Vector Proof (6:49)
Q15 (A) Variable Acceleration (9:46)
Q16 (A) Projectiles (6:44)
Q17 (M) Connected Particles (18:42)
A: AQA 2018 PAPER 3
Q1 (A) Circles (1:32)
Q2 (A) Differentiation (1:31)
Q3 (A) Straight lines (2:35)
Q4 (A) Modulus Graph (2:26)
Q5 (E) Small Angles (5:24)
Q6 (E) Domain, Inflection, Convex (14:33)
Q7 (E) Logs (7:24)
Q8 (M) Trig Proof and Integration (9:23)
Q9 (M) Geometric Series (9:51)
Q10 (E) Proof by Contradiction (8:56)
Q11 (A) Discrete Random Variable (1:10)
Q12 (E) Histogram (3:35)
Q13 (A) Large Data Set (4:13)
Q14 (A) Probability (7:20)
Q15 (A) Binomial Distribution (6:56)
Q16 (E) Normal distribution (12:43)
Q17 (E) Hypothesis Test – Binomial (16:51)
Q18 (E) Sampling Methods and Hypothesis Test Normal (13:14)