Free revision resources

IGCSE science study guides

Choose a focused Cambridge IGCSE Biology, Chemistry or Physics topic. Each original guide pairs a printable PDF with a readable lesson, worked examples, 12 practice questions and explained answers.

These independent, AI-assisted guides cover selected topics for 2026–2028 exams. They have not been independently academically reviewed. Check important answers against your course materials and the current syllabus.

Biology 0610

Read a guide, try the questions, then check your answers.

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Enzymes, Temperature and pH

Learn enzyme action and interpret temperature and pH results with three worked examples and 12 original questions.

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Plant Transport and Transpiration

Follow water and sugars through plants and reason about transpiration with three worked examples and 12 original questions.

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Inheritance and Punnett Squares

Work through alleles, genotype and simple monohybrid crosses with three examples and 12 original explained questions.

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Chemistry 0620

Read a guide, try the questions, then check your answers.

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Particles, States and Diffusion

Understand solids, liquids, gases and diffusion with particle explanations, three worked examples and 12 original questions with explained answers.

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Atomic Structure, Ions and Isotopes

Practise proton, neutron and electron counts, shell arrangements and isotope averages with three worked examples and 12 original questions with explained answers.

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Formulae, Equations and Relative Mass

Learn atom counting, charge-balanced formulae, balanced equations and relative formula mass through three worked examples and 12 original questions with explained answers.

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Physics 0625

Read a guide, try the questions, then check your answers.

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Motion, Speed and Graphs

Learn speed, acceleration and motion graphs through worked calculations and 12 original questions with explained answers.

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Energy, Work, Power and Efficiency

Connect energy transfers to work, power and efficiency with three worked examples and 12 original questions.

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Electric Circuits and Resistance

Understand current, potential difference and series or parallel circuits with three worked examples and 12 original questions.

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