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OCR GCSE Chemistry · spec J248 · 7 mini-lessons

OCR GCSE Chemistry
7 free mini-lessons, in order.

One interactive lesson for every topic in the OCR specification, in the order it's taught. Each one opens with a question you can’t yet answer, then works through it in missions with checks along the way. About 20 minutes each. No login.

  1. 1ParticlesDid the water particles swell up?Start →
  2. 2Elements, Compounds & MixturesHow can paper pull an ink apart?Start →
  3. 3Chemical ReactionsWhere does the extra mass come from?Start →
  4. 4Predicting & Identifying ReactionsWhy are Group 1 metals not equally reactive?Start →
  5. 5Monitoring & Controlling ReactionsHow can you find an unknown concentration?Start →
  6. 6Global ChallengesHow do you judge a product's whole impact?Start →
  7. 7Practical SkillsStart →