Physics, Chemistry & Biology Revision

What the course covers

8 modules, 32 topics. Open any one to see what sits inside it.

1. 1.1 What a science exam actually tests
2. 1.2 Recall, application and analysis
3. 1.3 Using the specification as a checklist
4. 1.4 Practical skills and required experiments
1. 2.1 Cell structure, transport and division
2. 2.2 Organisation and enzymes
3. 2.3 Circulation, breathing and exchange
4. 2.4 Health, disease and immunity
1. 3.1 Nervous and hormonal control
2. 3.2 Photosynthesis and respiration
3. 3.3 Genetics and inheritance
4. 3.4 Evolution, classification and ecology
1. 4.1 Atomic structure and the periodic table
2. 4.2 Ionic, covalent and metallic bonding
3. 4.3 States, structures and properties
4. 4.4 Moles and calculations
1. 5.1 Reactivity, acids and electrolysis
2. 5.2 Energy changes and rates
3. 5.3 Equilibrium and reversible reactions
4. 5.4 Organic chemistry, fuels and the atmosphere
1. 6.1 Motion, forces and the laws of motion
2. 6.2 Energy, work and power
3. 6.3 Momentum and moments
4. 6.4 Density, pressure and materials
1. 7.1 Waves, light and sound
2. 7.2 Circuits and components
3. 7.3 Magnetism and electromagnetic induction
4. 7.4 Radioactivity, atoms and space
1. 8.1 Reading a question, and spotting the command word
2. 8.2 Calculations, and showing your working
3. 8.3 Extended written answers
4. 8.4 Graphs, data and practical questions

By the end of this course you will be able to explain and apply:

Two hours, not two months Eight short modules. Finish in a day, or do one module a night for a week.

Built around the school week Short enough to fit an evening, and pitched at the stage your child is actually in.

Built for a phone Watch on the bus, pause mid-module, pick up where you stopped. No download, no lab.

A certificate that can be checked Every certificate carries an ID your college or an employer can verify on our site.

About two hours in total — eight modules of roughly fifteen minutes. You can do it in one sitting or spread it across a week. Your place is saved either way.
No. There is no prerequisite course and no software to install. A phone, tablet or computer with an internet connection is enough.
Yes. This course is placed at Senior Secondary Stage for India, and the content is written for that level. If you are at a different stage, change your level at the top of the page and the courses will change with it.
A certificate for the course, carrying an ID that your college or an employer can check on our verification page. You keep access to the material afterwards.
Yes — ₹360 for this course on its own, or ₹1,050 for all five in this set, which works out cheaper if you want more than one.
There is a short quiz at the end of each module so you can check what stuck. It is not timed and you can retake it.
Change your country using the picker at the top. Level names, degree names and prices all switch to that country, and the courses adjust to its education system.

Wording shown for India. Pick a different country at the top and the terms, currency and programme names change with it.