Foundation & Higher

Chemistry of the atmosphere GCSE questions

Cover the answers and try these Chemistry of the atmosphere checks first. The full quiz in the app includes hints.

How to use these

Write your answer, then check. If you miss one, open the Chemistry of the atmosphere lesson before you retry.

Practice questions

Cover the answers and have a go first. Worked solutions are underneath.

Question 1 [1 mark]

The early atmosphere was mainly

Question 2 [1 mark]

Oxygen increased because of

Question 3 [1 mark]

Today's atmosphere is about

Question 4 [1 mark]

Greenhouse gases absorb

Common mistakes

Answers and working

Q1. carbon dioxide (from volcanoes) with water vapour
Q2. photosynthesis by algae and plants
Q3. 80% N₂ and 20% O₂
Q4. outgoing infrared radiation from the Earth

Frequently asked questions

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