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Cambridge IGCSE Chemistry · spec 0620 · 12 mini-lessons

Cambridge IGCSE Chemistry
12 free mini-lessons, in order.

One interactive lesson for every topic in the Cambridge IGCSE 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. 1States of MatterDid the water particles swell up?Start →
  2. 2Atoms, Elements & CompoundsWhy is chlorine 35.5 on the periodic table?Start →
  3. 3StoichiometryWhy can't you change water's formula?Start →
  4. 4ElectrochemistryWhy does water change the product?Start →
  5. 5Chemical EnergeticsWhy does a burning match need a push?Start →
  6. 6Chemical ReactionsWhat decides how fast a reaction goes?Start →
  7. 7Acids, Bases & SaltsWhy do only some acid reactions fizz?Start →
  8. 8The Periodic TableWhy are Group 1 metals not equally reactive?Start →
  9. 9MetalsWhat single property ranks every metal?Start →
  10. 10Chemistry of the EnvironmentHow does river water become safe to drink?Start →
  11. 11Organic ChemistryHow do you sort a liquid of many molecules?Start →
  12. 12Experimental Techniques & AnalysisHow can paper pull an ink apart?Start →