Physics GCSE
changing models
What changing models means in Physics GCSE, as defined for AQA.
Definition of changing models
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Reference: AQA
Scientists change the model when new evidence or observations appear that the existing model cannot explain.
Topics that use changing models
Related terms
- absorption contrast
- change of speed
- compressions and rarefactions
- detection and exploration
- echo pulses
- echo timing
- halving the path
- how science works
Using changing models in the exam
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