This lesson covers AQA Trilogy Combined Science specification 6.4.1.3 and explores how the scientific model of the atom has developed over time.
Students will:
- Describe how the atomic model has changed, including the contributions of Thomson, Rutherford, Bohr, and Chadwick
- Compare the plum pudding and nuclear models, explaining how the alpha particle scattering experiment led to the nuclear model
- Explain how new experimental evidence, such as the discovery of the electron and neutron, has shaped our understanding of atomic structure
The lesson includes retrieval quizzes, structured activities, and exam-style questions, making it suitable for KS4 classroom teaching or revision.
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