📘 GCSE & A‑Level STEM Resources

📊 General Revision & Practice

1. BBC Bitesize (GCSE & A‑Level) — Clear topic notes, practice questions & videos for English, Maths, Biology, Chemistry & Physics
   https://www.bbc.co.uk/bitesize

2. Seneca Learning — Interactive revision with spaced repetition (GCSE & A‑Level)
   https://www.senecalearning.com

3. Khan Academy — In‑depth maths and science videos & exercises (free global curriculum)
   https://www.khanacademy.org

4. Quizlet — Flashcards and revision sets for GCSE & A‑Level topics (user‑generated)
   https://www.quizlet.com

📐 Maths

5. Corbettmaths — Worked examples, practice questions, 5‑a‑day revision for GCSE & A‑Level
   https://corbettmaths.com

6. DrFrostMaths — Topic tests and exam‑style questions for UK Maths (GCSE & A‑Level)
   https://www.drfrostmaths.com

7. Integral Maths — Free and paid A‑Level maths practice & explanations
   https://integralmaths.org

🧪 Biology

8. AQA Biology Specification & Resources — Official notes, past papers, and mark schemes
   https://www.aqa.org.uk/subjects/science/biology

9. BiologyHub (GCSE) — Structured revision materials for key biology topics
   https://www.biologyhub.co.uk

10. IB Biology Revision (IBO) — Official IB curriculum guide & support materials
    https://ibo.org/programmes/diploma-programme/curriculum/sciences/

⚗️ Chemistry

11. AQA Chemistry Resources — Topic resources and past papers from the awarding body
    https://www.aqa.org.uk/subjects/science/chemistry

12. ChemGuide (GCSE & A‑Level) — Detailed explanations and worked examples
    https://www.chemguide.co.uk

13. Periodic Videos — Video explanations of elements and reactions
    https://www.periodicvideos.com

🔬 Physics

14. AQA Physics Resources — Specification, worksheets, and past papers
    https://www.aqa.org.uk/subjects/science/physics

15. Physics Classroom — Clear physics tutorials and interactive simulations
    https://www.physicsclassroom.com

16. IB Physics Guide & Resources — IBO official curriculum and support docs
    https://ibo.org/programmes/diploma-programme/curriculum/sciences/

🎯 Exam Practice & Papers

17. Physics & Maths Tutor — Topic‑by‑topic past paper questions & model answers
    https://www.physicsandmathstutor.com

18. Revision World (GCSE & A‑Level) — Past paper links and revision notes
    https://revisionworld.com