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IGCSE science notes (Cambridge)

Free Cambridge IGCSE Biology, Chemistry and Physics notes, checked against the 2026–2028 syllabuses. Short bullet points, labelled diagrams, interactive tools and practice questions with answers.

Chem

IGCSE Chemistry (0620)

Atomic structure, the mole, electrolysis and more.

Open IGCSE ChemistryBio

IGCSE Biology (0610)

Cells, diffusion, photosynthesis, respiration and more.

Open IGCSE BiologyPhy

IGCSE Physics (0625)

Motion, forces, electricity and more.

Open IGCSE Physics

Studying GCSE instead?

See our GCSE (AQA) science notes, or the Combined Science notes.

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