Free IGCSE and GCSE science notes
Quick, bullet-point revision notes with diagrams, mnemonics, calculators and quizzes. Choose your exam, then your subject.
IGCSE (Cambridge) is taken in schools worldwide. GCSE (AQA, Edexcel, OCR) is taken mainly in England. The science is very similar, but each exam board lists slightly different content and required practicals – so pick the notes that match your exam. Each GCSE page has a box showing exactly what is different from IGCSE.
IGCSE notes (Cambridge)
For Cambridge IGCSE Biology 0610, Chemistry 0620 and Physics 0625. All IGCSE notes
IGCSE Chemistry (0620)
Atomic structure, the mole, electrolysis and more.
Open IGCSE ChemistryBioIGCSE Biology (0610)
Cells, diffusion, photosynthesis, respiration and more.
Open IGCSE BiologyPhyIGCSE Physics (0625)
Motion, forces, electricity and more.
Open IGCSE PhysicsGCSE notes (AQA)
For AQA GCSE Biology, Chemistry and Physics, and AQA Combined Science: Trilogy. All GCSE notes
Combined Science
Taking Combined (double) Science? Every topic that is part of GCSE and IGCSE Combined Science is listed in one place.