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Last updated

18 February 2025

CC14 and CC15 units for the Edexcel combined science GCSE (9-1) all about rates of reaction and energy changes:

Includes:

  • CC14a Rates of reaction
  • CC14b Factors affecting reaction rates
  • CC14c Catalysts and activation energy
  • CC15a Exothermic and endothermic reactions
  • CC15b Energy changes in reactions

Some lessons may have links to ActiveTeach worksheets or videos but could easily be replaced by other available videos or worksheets.

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