Chemistry GCSE
Uncertainty
What Uncertainty means in Chemistry GCSE, as defined for AQA.
Definitions of Uncertainty
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Reference: AQA
A range or limitation arising from measurement limits, natural variation or model simplification, so scientists give ranges rather than single values.
Long-term predictions are made uncertain by the complexity of the climate system, so different models may give a range of possible temperature rises.
Topics that use Uncertainty
Related terms
- Carbon dioxide sources
- Climate modelling
- Complex systems
- Feedback mechanisms
- Greenhouse effect
- Human activities
- Methane sources
- Recall of examples
Using Uncertainty in the exam
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