Physics GCSE
changing and replacing models
What changing and replacing models means in Physics GCSE, as defined for AQA.
Definition of changing and replacing models
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Reference: AQA
Adapting or throwing out and rebuilding a model when an experiment produces a result the existing model cannot account for.
Topics that use changing and replacing models
Related terms
- agreement with observations
- alpha particle scattering
- concentrated positive charge
- discovery of the electron
- empty space
- energy levels
- experimental evidence
- how science works
Using changing and replacing models in the exam
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