AQA GCSE Combined Science Trilogy · 8464
Specification 5.3.1.4, 5.9.2.2 · Paper 3, Paper 4
Revise: Chemical Measurements and UncertaintyEvery measurement has some uncertainty: a degree of doubt about the exact value. This does not necessarily mean that someone has made a mistake.
- Revise: Human Impact on Greenhouse Gases
A limitation in how precisely a measurement, estimate or prediction is known.