G7-Sci-L1 2026-09-05
Ch 1 Introducing Science
What science is, what scientists do, and how to run a fair test.
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G7-Sci-L2 2026-09-11
Ch 1 Introducing Science (II)
Lab safety, hazard labels, the fire triangle, common apparatus, the Bunsen burner, and how to measure properly.
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G7-Sci-L3 2026-09-18
Ch 1 Introducing Science · Supplementary Exercises
The whole chapter in practice: working like a scientist, fair tests, lab safety, the Bunsen burner and careful measuring.
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G7-Sci-L5 2026-10-09
2.1–2.2 Water and the Water Cycle
Changes of state, energy, clouds and faster evaporation.
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G7-Sci-L6 2026-10-10
2.3–2.4 Dissolving and Water Purification
Read solubility curves and choose a water-purification method.
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G8-Sci-L1 2026-09-05
7.1 Air and its Properties · 7.2 Respiration
What is in the air, how to test for each gas, and how living things release energy from food.
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G8-Sci-L2 2026-09-09
7.3 Photosynthesis · 7.4 Gas Exchange
How green plants make food, how to prove it, and how plants and animals exchange gases with the air.
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G8-Sci-L3 2026-09-19
7.5 Balance of Oxygen and Carbon Dioxide · 7.6 Air Quality and Health
Why the two gases stay in balance, what extra carbon dioxide does, what pollutes the air, how the AQHI warns us, and why smoking harms.
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G8-Sci-L4 2026-09-29
Chapter 7 Revision: Living Things and Air
The whole chapter before the test: gas tests, respiration and photosynthesis, the starch test, the balance of gases, air pollution and smoking.
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G8-Sci-L6 2026-10-09
8.1–8.2 Batteries, Bulbs and Circuits
Trace the path, distinguish current from voltage, and connect meters correctly.
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G9-Bio-L1 2026-10-10
1.0–1.2 Molecules of Life
What organisms are made of, the jobs water does for them, and what each inorganic ion is needed for.
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G9-Bio-L2 2026-10-10
1.3–1.4 Carbohydrates and Lipids
Three groups of carbohydrates, three food tests, and the jobs of lipids.
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G9-Bio-L4 2026-09-29
1.5 Proteins · 1.6 Nucleic Acids
What proteins and nucleic acids are made of, how their units join, and how DNA differs from RNA.
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G9-Chem-L1 2026-10-10
T.1(a) Nature of Matter
Classifying matter into elements, compounds and mixtures, and physical versus chemical change.
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G9-Chem-L2 2026-10-10
T.1(a).3–T.1(a).4 Elements and Atoms
Metals, non-metals and semi-metals; what an atom is made of; isotopes and relative atomic mass.
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G9-Chem-L3 2026-09-18
T.1(a).5–6 Periodic Table · Electronic Arrangement
How the Periodic Table is arranged, what group and period numbers tell you, and how to write the electronic arrangement of an atom.
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G9-Chem-L4 2026-09-29
T.1(a).7–8 Noble Gases · Reactivity of Groups
Why noble gases are stable, and how reactivity changes down Groups I, II and VII.
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G9-PhyChemBio-L5 2026-09-29
1.1–1.3 Light: Reflection and Plane Mirrors
How light travels, the laws of reflection, and the image formed by a plane mirror.
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G9-PhyChemBio-L6 2026-10-09
2.1 Revision: Temperature and Thermometers
Fixed points, temperature scales, thermometer properties and calibration.
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G9-Phy-L3 2026-09-18
2.1 Temperature and Thermometers
What temperature measures, the Celsius and Kelvin scales, how thermometers work, and how to calibrate one.
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G10-Bio-L1 2026-09-14
4.1 Cell Membrane · 4.2 Movement of Substances Across the Cell Membrane
How the fluid mosaic membrane is built, and the four ways substances cross it: diffusion, osmosis, active transport and phagocytosis.
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G10-Bio-L2 2026-09-23
Revision on Topic 4 · Movement of Substances Across the Cell Membrane
The four transport processes compared, and how to read transport experiments.
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G10-Chem-L1 2026-09-05
2.3 Ionic bonding and Metallic bonding
Why some substances conduct, and the two bonds that hold metals and ionic compounds together.
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G10-Chem-L2 2026-09-23
2.4 Covalent Bonds
How non-metal atoms share electrons: electron diagrams, lone pairs, naming, and the dative bond.
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G10-Chem-L3 2026-10-07
2.5 Structures, Bonding and Properties
Explain a property by identifying the structure, the particles and the attractions between them.
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G10-Chem-L4 2026-10-08
Topic II: Microscopic World (I) Revision
Connect atomic particles, electronic arrangements and bonding to chemical formulae and properties.
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G10-Phy-L1 2026-09-08
2.1 Motion (I)
Distance and displacement, speed and velocity, acceleration — and which of them need a direction.
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G10-Phy-L2 2026-09-23
2.2 Motion (II)
Reading motion graphs, the suvat equations, stopping distance, free fall, and how motion is recorded.
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G11-Bio-L1 2026-09-09
12.1 Chromosomes · 12.2 The Cell Cycle and Mitotic Cell Division
What chromosomes are, how to count them, and how a body cell copies itself exactly through the cell cycle and mitotic cell division.
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G11-Bio-L1-Part2 2026-09-16
12.3 Meiotic Cell Division · 12.4 Mitotic vs Meiotic Cell Division
How gamete-producing cells halve the chromosome number in two divisions, why no two gametes are alike, and how meiotic cell division compares with mitotic cell division.
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G11-Bio-L2 2026-09-17
Revision on Topic 12 · The Cell Cycle and Cell Division
The whole topic in one set: chromosomes, the cell cycle, mitotic and meiotic cell division, and how to read a DNA-content graph.
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G11-Bio-L3 2026-09-23
Topic 29 Biodiversity
How living things are classified: six kingdoms, three domains, and dichotomous keys.
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G11-Chem-L1-Part2 2026-09-16
7.3 Oxidation and Reduction (Part 2)
How to read the Electrochemical Series, and what chlorine, nitric acid, concentrated sulphuric acid and sulphite do as oxidizing and reducing agents.
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G11-Chem-L1 2026-09-09
7.3 Oxidation and Reduction
Four ways to say "oxidized", how to assign oxidation numbers, the agents and colour changes you must recognize, and how to balance a redox equation.
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G11-Chem-L2 2026-09-23
7.2 Simple Chemical Cells
Two metals and an electrolyte make electricity; the E.C.S. of metals; salt bridge and porous pot.
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G11-Chem-L3 2026-09-23
7.4 Oxidation and Reduction in Chemical Cells
Half equations for metal couples, inert electrodes, the zinc-carbon cell and the fuel cell.
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G11-M1-L1 2026-09-13
6.3 Integration by Substitution
Why expanding is not the way, the substitution theorem, the three steps, and the six patterns to spot in an integrand.
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G11-M1-L2 2026-09-19
6.4 Solving Problems by Indefinite Integration
From a slope or a rate of change back to the curve or the quantity: integrate, then use the given point, slope or starting value to fix the constant.
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G11-M1-L3 2026-09-29
Chapter 6 Revision: Indefinite Integration
The whole chapter on one card: the basic integrals, when to rewrite and when to substitute, and how a point or a starting value fixes the constant.
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G11-M1-L5 2026-10-10
7.1–7.2 Definite Integration
From thin rectangles to a signed value: find a primitive, subtract the endpoints, and split where the formula or sign changes.
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G11-Phy-L1 2026-09-10
3.4 Nature of Waves
What a wave is, transverse vs longitudinal, the five wave quantities, and reading y-x and y-t graphs.
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G11-Phy-L2 2026-10-10
3.5 Wave Phenomena and Stationary Waves
Use wavefronts and path difference to explain observations, then calculate refraction, interference and stationary-wave spacing.
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G12-Bio-L1 2026-09-08
E1.3 Regulation of Gas Content in Blood
How the body keeps oxygen and carbon dioxide in the blood steady by adjusting breathing and heart beat, and what changes during exercise.
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G12-Bio-L2 2026-10-10
E1.3 Regulation of Gas Content in Blood
The whole topic in one set, with the graph-reading and calculation skills the exam questions test.
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G12-Bio-L3 2026-09-29
E1.4 Hormonal Control of Reproductive Cycle
Four hormones run the menstrual cycle through feedback, and the same hormones are used in contraceptive pills and infertility treatment.
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G12-Bio-L4 2026-10-10
E1.4 Reading Hormonal Graphs
Identify hormone curves and explain their effects on the ovary and uterine lining.
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G12-Chem-L3 2026-09-08
15.3 Quantitative Methods of Analysis
How much of a species is there? Weigh a precipitate (gravimetric) or titrate it (volumetric), and get the mole ratio right.
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G12-Phy-L1 2026-09-17
4.6 Transmission of Electrical Energy
a.c. and r.m.s. values, how a transformer works, and why power travels at very high voltage.
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