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Short walkthroughs for the idea you need now.

70 short syllabus-ordered videos covering the SEAB H2 syllabuses (9758 Maths, 9478 Physics, 9476 Chemistry, 9477 Biology). Worked examples and concept explainers, mostly under three minutes.

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One useful walkthrough before the full library.

H2 Biology Core 1 - Enzyme Kinetics and Inhibition

A short H2 Biology revision video on H2 Biology Core 1 - Enzyme Kinetics and Inhibition, built for quick recap before tutorial practice or exam revision.

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01

H2 Maths

31 short H2 Maths walkthroughs for the SEAB 9758 syllabus, ordered by topic. Open the H2 Maths notes hub →

Functions & Graphs (5)

Quadratic Inverse by Restricting Domain

1:50

Sketch a Linear Rational Function

1:31

Sketch a Rational Function with an Oblique Asymptote

2:04

Sketch a Rational Function with Stationary Points

2:43

Rational Inequality via Sign Chart

1:52

Sequences & Series (1)

Sequences & Series (Foundations)

1:22

Vectors (3)

Magnitude, Unit Vector, and Parallel Vectors

1:34

Scalar and Vector Products Worked Example

1:58

Equations, Angles, and Distances

2:40

Complex Numbers (1)

Plotting Complex Numbers on the Argand Diagram

1:39

Calculus (8)

Product, Quotient, and Chain Rules (Combined)

1:35

Multiplying Two Expansions

2:01

∫ x² ln x dx

1:45

Area Between Curves

1:55

First-Order Linear (Integrating Factor)

1:57

Second-Order Linear with Constant Coefficients

2:14

Separable ODEs

1:37

Differentiate x^x with logarithmic differentiation

1:36

Probability & Statistics (13)

Conditional Probability via Tree Diagram

1:46

When Can You Use a Binomial Model?

2:20

P(X = r), E(X), Var(X)

2:13

Finding E(X) and Var(X)

1:46

E(aX + b) and Var(aX + b)

1:46

Introduction and Properties

1:12

Finding Probabilities with a GC

1:53

Finding Unknown Parameters

1:51

Linear Combinations

1:28

The Central Limit Theorem

1:49

Sample Mean Distribution and CLT

1:49

One-Tailed Z-Test for Population Mean

1:38

Correlation and Linear Regression

1:36

02

H2 Physics

20 short H2 Physics walkthroughs for the SEAB 9478 syllabus, ordered by topic. Open the H2 Physics notes hub →

Percentage Uncertainty

1:40

Equilibrium of a Beam

2:08

Object on an Inclined Plane

1:50

Work-Energy Theorem on a Rough Surface

1:55

Ball Launched from a Cliff

1:59

Head-On Elastic Collision

1:52

Conical Pendulum

1:52

Geostationary Orbit Radius

2:05

Simple Harmonic Motion of a Mass-Spring System

1:55

Malus's Law

1:56

Two-Slit Interference Pattern

1:44

Finding the r.m.s. Speed

1:59

First Law Applied to an Ideal Gas

2:01

Force and Potential Between Point Charges

2:03

Drift Velocity in a Current-Carrying Wire

2:05

Potential Divider with Internal Resistance

1:47

Force on a Current-Carrying Conductor

1:58

E.M.F. in a Rotating Coil

1:50

Photoelectric Effect Calculation

2:00

Binding Energy and Mass Defect

2:02

03

H2 Chemistry

13 short H2 Chemistry walkthroughs for the SEAB 9476 syllabus, ordered by topic. Open the H2 Chemistry notes hub →

Why Period 3 IE1 Has Two Dips

2:08

Shapes and Bond Angles of SF₄ and XeF₂

2:13

Ideal Gas Calculation and Real Gas Deviation

2:06

pH of a Weak Acid

2:12

Behaviour of Period 3 Oxides with Water

1:49

Back Titration

2:08

Born-Haber Cycle for NaCl

2:30

Rate Equation from Experimental Data

2:16

Kc Calculation and Le Chatelier's Principle

2:10

Solubility Product and Precipitation

2:06

Nucleophilic Substitution of Halogenoalkanes

2:22

EMF Calculation from Standard Electrode Potentials

2:17

Ligand Exchange and Colour Changes of Copper(II)

2:36

04

H2 Biology

6 short H2 Biology walkthroughs for the SEAB 9477 syllabus, ordered by topic. Open the H2 Biology notes hub →

Enzyme Kinetics and Inhibition

2:47

Dihybrid Cross with Independent Assortment

2:16

ATP Production from Glucose

3:04

Natural Selection and Speciation

3:02

TopicExtension A

How B Cells and T Cells Defend the Body

2:48

TopicExtension B

Greenhouse Gases, Ecosystems, and Disease Vectors

3:03