Chemistry GCSE
Evidence and revision
What Evidence and revision means in Chemistry GCSE, as defined for AQA.
Definition of Evidence and revision
Check what you remember
Read the wording for your board, then hide it and explain Evidence and revision in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
As evidence accumulates, theories are modified or replaced, and new evidence leads to theories being modified or replaced.
Topics that use Evidence and revision
- 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 early atmosphere
- Earth’s first billion years
Using Evidence and revision in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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