Combined Science GCSE
Indirect evidence
What Indirect evidence means in Combined Science GCSE, as defined for AQA.
Definition of Indirect evidence
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Read the wording for your board, then hide it and explain Indirect evidence in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Because the evidence is indirect and spans such an enormous time scale, theories have changed as new data emerged, showing that scientific explanations are provisional and develop over time.
Topics that use Indirect evidence
- The Earth's early atmosphere (AQA GCSE)
Related terms
- Comparison with Mars and Venus
- Condensation
- Evaluating theories
- Formation of the early atmosphere
- Limitations of indirect evidence
- Volcanic activity
- Volcanic activity and outgassing
- Build-up of nitrogen
Using Indirect evidence in the exam
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