What this topic covers
Topic 9: Chemistry of the atmosphere has 3 subtopics:
- The composition and evolution of the Earth's atmosphere
- Carbon dioxide and methane as greenhouse gases
- Common atmospheric pollutants and their sources
GCSE AQA Higher Combined Science Chemistry
Topic 9: Chemistry of the atmosphere – GCSE AQA Higher Combined Science Chemistry revision notes
Revise Topic 9: Chemistry of the atmosphere for GCSE AQA Higher Combined Science Chemistry. 20 lessons across 3 subtopics.
Topic 9: Chemistry of the atmosphere covers The composition and evolution of the Earth's atmosphere, Carbon dioxide and methane as greenhouse gases, and Common atmospheric pollutants and their sources in GCSE AQA Higher Combined Science Chemistry. 20 lessons in 3 subtopics.
20
Lessons
3
Subtopics
Topic 9: Chemistry of the atmosphere lessons by subtopic
20 lessons, grouped by subtopic.
The composition and evolution of the Earth's atmosphere
- How Earth's Early Atmosphere Formed
- Changes in Early Atmospheric Composition
- How Photosynthesis Increased Atmospheric Oxygen
- How Earth's Atmosphere Changed Over Time
- How Photosynthesis Reduced Carbon Dioxide
- Formation of Carbon-Rich Deposits
- The composition of today's atmosphere
- The stability of atmospheric composition
Carbon dioxide and methane as greenhouse gases
- Human Activities That Increase Greenhouse Gases
- Evaluating Climate Change Evidence and Scientific Communication
- What are greenhouse gases and why are they important?
- How does the greenhouse effect work?
- Understanding Carbon Footprints
- Reducing Carbon Footprints
- Understanding Global Climate Change
- Scale and Implications of Climate Change
Common atmospheric pollutants and their sources
More in this course
Go back to the full GCSE AQA Higher Combined Science Chemistry topic list, or practise this topic with past-paper questions.
Frequently asked questions
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These notes are for GCSE AQA Higher Combined Science Chemistry. If you are on a different exam board or tier, choose your course from the Combined Science Chemistry page instead, because the content is not always the same.
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Test yourself without the notes open, then try past-paper questions on the same topic. The questions you get wrong tell you which lesson to go back to.