Atomic Structure and Periodic Trends · Physical Science

The Evolution of the Atom

Tracing the history of atomic models from solid spheres to the nuclear model.

Key Questions

  1. 1How can we describe something that is too small to be seen?
  2. 2Why did scientists have to change their models of the atom over time?
  3. 3What evidence led to the discovery of the nucleus?

National Curriculum Attainment Targets

KS3: Science - Atoms, Elements and Compounds
Year: Year 9
Subject: Science
Unit: Atomic Structure and Periodic Trends
Period: Physical Science

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