Combined Science GCSE
Observation as evidence
What Observation as evidence means in Combined Science GCSE, as defined for AQA.
Definition of Observation as evidence
Check what you remember
Read the wording for your board, then hide it and explain Observation as evidence in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Recording fizzing, movement, temperature change and any flame when a small cleaned sample is added to water or acid, then comparing results to build the order.
Topics that use Observation as evidence
- The reactivity series (AQA GCSE)
Related terms
- Experimental comparison
- Experimental observation of metal reactions
- Ion formation
- Oxidation and electron loss
- Ranking and ordering
- Reactivity series
- Displacement of hydrogen from dilute acids
- Displacement reactions
Using Observation as evidence 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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