Understanding Atoms
A worksheet to help third-grade students learn about the basic parts of an atom.
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Understanding Atoms Worksheet
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Read each question carefully and answer to the best of your ability.
1. Everything around us, even things we can't see, is made of tiny particles called .
2. The center part of an atom is called the .
3. Tiny particles with a positive charge that are found in the nucleus are called .
4. Tiny particles with no charge that are found in the nucleus are called .
5. Tiny particles with a negative charge that orbit the nucleus are called .
1. Which part of an atom has a positive charge?
Electron
Neutron
Proton
Nucleus
2. Which part of an atom has a negative charge?
Proton
Neutron
Electron
Nucleus
1. All matter is made of atoms.
True
False
2. Neutrons have a positive charge.
True
False
Match each part of an atom with its description.
1. Proton
a. Orbits the nucleus, negative charge
2. Electron
b. In the nucleus, no charge
3. Neutron
c. In the nucleus, positive charge
1. What is the main idea of an atom?
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