Chemistry GCSE
Earth's early atmosphere
What Earth's early atmosphere means in Chemistry GCSE, as defined for AQA.
Definition of Earth's early atmosphere
Check what you remember
Read the wording for your board, then hide it and explain Earth's early atmosphere in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
One theory suggests it was mainly carbon dioxide with little or no oxygen, formed by volcanic activity, while another emphasises water vapour and nitrogen.
Topics that use Earth's early atmosphere
- The Earth's early atmosphere (AQA GCSE)
Related terms
- Absence of oxygen
- Build-up of nitrogen in the atmosphere
- Comparison with Mars and Venus
- Composition of the early atmosphere
- Condensation and the formation of oceans
- Development of scientific theories
- Earth’s first billion years
- Evidence and revision
Using Earth's early atmosphere in the exam
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