Atomic Models Worksheet
Explore the history and development of atomic models, from Dalton to Bohr, with this engaging Grade 8 science worksheet.
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Atomic Models Worksheet
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Use the provided space for your answers.
1. Which scientist proposed the 'Plum Pudding Model' of the atom?
John Dalton
Ernest Rutherford
J.J. Thomson
Niels Bohr
2. The atomic model that describes electrons orbiting the nucleus in specific energy levels is known as the:
Dalton's Model
Rutherford's Model
Thomson's Model
Bohr's Model
3. According to Dalton's atomic theory, atoms are tiny, indivisible particles called .
4. Rutherford's gold foil experiment led to the discovery of the atomic .
5. In the Bohr model, electrons move in fixed paths around the nucleus called .
6. J.J. Thomson discovered the electron.
True
False
7. The modern atomic model is often referred to as the electron cloud model.
True
False
8. Briefly describe one limitation of Rutherford's atomic model.
9. How did Niels Bohr improve upon Rutherford's atomic model?
10. Label the parts of the Bohr atomic model shown below:
a.
b.
c.
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