Understanding Atoms
A worksheet to help 4th-grade students understand the basic components of an atom: protons, neutrons, and electrons.
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Understanding Atoms
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Read each question carefully and answer to the best of your ability. Pay close attention to the parts of an atom.
1. What are the tiny particles that make up everything around us?
Molecules
Atoms
Cells
Rocks
2. Which part of an atom has a positive charge?
Electron
Neutron
Proton
Nucleus
3. The center of an atom is called the .
4. Particles with no charge found in the nucleus are called .
5. are tiny particles that orbit the nucleus and have a negative charge.
6. All atoms of the same element have the same number of protons.
True
False
7. Electrons are much larger than protons and neutrons.
True
False
8. Draw a simple diagram of an atom and label its three main parts: protons, neutrons, and electrons.
9. Why are atoms often described as being mostly empty space?
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