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MR BARNES TEACHES CHEMISTRY

GCSE Chemistry Revision – Free Notes, Examples and Practice for AQA, Edexcel and OCR Chemistry

This website is a free GCSE Chemistry revision hub covering bonding, structure, calculations, rates of reaction, organic chemistry, electrolysis, the periodic table and required practicals. Clear explanations, worked examples and exam-style questions to support AQA, Edexcel and OCR students, along with revision summary videos.

  • Created by a qualified GCSE Chemistry teacher
  • Designed for classroom and independent revision
  • Used by students across the UK

Latest updates:

  • Website update complete – Edexcel
    by MrBarnesTC
    It is done! This has taken a monumental effort, but the website is back up and better than ever. Next? AQA and OCR Chemistry formats. Shouldn’t take …too long! For now, time to enjoy the rest of half term. Bye everyone. Mr Barnes

Choose your exam board:

AQA GCSE Chemistry:

This area is for those of you studying AQA Chemistry - whether that is Combined Science or Separate Science.

Paper One:

  • Topic 1 – Atomic Structure and the Periodic Table
  • Topic 2 – Bonding, Structure, and the Properties of Matter
  • Topic 3 – Quantitative Chemistry
  • Topic 4 – Chemical Changes
  • Topic 5 – Energy Changes

Paper Two:

  • Topic 6 – The Rate and Extent of Chemical Change
  • Topic 7 – Organic Chemistry
  • Topic 8 – Chemical Analysis
  • Topic 9 – Chemistry of the Atmosphere
  • Topic 10 – Using Resources

Edexcel GCSE Chemistry:

This area is for those of you studying Edexcel Chemistry - whether that is Combined Science or Separate Science.

Paper One:

  • Topic 1 – Key Concepts in Chemistry
  • Topic 2 – States of Matter and Mixtures
  • Topic 3 – Chemical Changes
  • Topic 4 – Extracting Metals and Equilibria
  • Topic 5 – Separate Chemistry 1

Paper Two:

  • Topic 1 – Key Concepts in Chemistry 
  • Topic 6 – Groups in the Periodic Table
  • Topic 7 – Rates of Reaction and Energy Changes
  • Topic 8 – Fuels and Earth Science
  • Topic 9 – Separate Chemistry 2

OCR GCSE Chemistry:

This area is for those of you studying OCR Chemistry - whether that is Combined Science or Separate Science.

Paper One:

  • Topic C1 – Particles
  • Topic C2 – Elements, Compounds and Mixtures
  • Topic C3 – Chemical Reactions
  • Topic C7 – Practical Skills

Paper Two:

  • Topic C4 – Predicting and Identifying Reactions and Products
  • Topic C5 – Monitoring and Controlling Chemical Reactions
  • Topic C6 – Global Challenges
  • Topic C7 – Practical Skills

Chemistry music videos?! Whatever next!

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Thanks for visiting Mr Barnes Teaches Chemistry

Mr Barnes Teaches Chemistry provides free GCSE Chemistry revision notes covering atomic structure, bonding, quantitative chemistry, rates of reaction, energy changes, organic chemistry, analysis, the periodic table, and the Earth’s atmosphere. Designed to support AQA, Edexcel and OCR students with clear explanations and worked examples.