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Models of the atom

Trace how the model of the atom changed from Dalton to Thomson, Rutherford and Bohr as each new piece of evidence arrived.

⏱ 19 min❓ 9 questions

What you'll be able to do

  • ✔I can describe the atomic models of Dalton, Thomson, Rutherford and Bohr
  • ✔I can explain which evidence led scientists to replace or refine each model
  • ✔I can explain why scientific models change over time and why that is a strength of science

How this works

  1. 1Read the short explanations first — they teach you what you need before each question.
  2. 2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
  3. 3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.

What's inside

9 questions and 1 quick teaching card, including:

  • ↕️Put in order — Use the up and down arrows to sort the steps.
  • 🔗Match the pairs — Choose the partner that goes with each item.

👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.

Sign in and subscribe to unlock the full lesson and save your progress.

Curriculum: AC9S9U05, AC9S9H01