When may a scientific model be changed or replaced?
When existing evidence continues to support it.
When new evidence does not fit it.
When scientific opinion becomes less interested in it.
When new technology confirms all its predictions.
Flashcards for AQA GCSE Physics 4.1.3 The development of the model of the atom (common content with chemistry), covering the key terms, definitions and equations you need to recall for Paper 1 and Paper 2. 23 cards, matched to the AQA GCSE Physics (8463) specification. Recall questions account for roughly 40% of marks at GCSE Physics, so these target the marks you can secure before the paper starts.
