Name: _____________________________
Date: _________
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Atoms and Molecules Video
by Physical Science in Action
1. What is the smallest particle of matter?
2. What are the subatomic particles that make up
atoms?
3. Draw a simple atom.
4. What did the ancient Greek philosopher
Democritus believe about matter?
b. What is the term Democritus come up with
to describe the “smallest cut”?
5. What are the electric charges of:
Proton
Neutron
Electron
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Date: _________
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6. What makes one atom different from another?
7. How many elements are found in nature?
8. What is the periodic table of elements?
9. If there are a little over 100 elements, then how
are there millions of different substances in the
universe?
10.
What are the phases of matter?
11. What does movement of sub-atomic particles
have to do with the phases of matter?