Chemistry GCSE
Error and uncertainty
What Error and uncertainty means in Chemistry GCSE, as defined for AQA.
Definition of Error and uncertainty
Check what you remember
Read the wording for your board, then hide it and explain Error and uncertainty in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Repeating each concentration and calculating a mean reduces the effect of random errors and improves the reliability of the conclusion.
Topics that use Error and uncertainty
Related terms
- Activation energy
- Catalyst
- Collision theory
- Evidence and conclusion
- Fair testing
- Graph interpretation
- Hypothesis
- Rate measurement
Using Error and uncertainty in the exam
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