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Grades 6, 7 and 8 - Science - Middle School - Electromagnets
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An electromagnet is a magnet made by using electricity. Electromagnetism is one of the four fundamental interactions of nature.

Grades 6, 7 and 8 - Science - Middle School - Electromagnets
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10 Questions

1. Which of the following uses an electromagnetic effect?
2. If the current in the wire increases, what happens to the strength of the magnetic field?
3. A relay is used in .......
4. A relay uses a small current to .......
5. A relay is used in .......
6. The magnetic field around a coil of wire carrying current .......
7. If the current direction through the wire is reversed, the direction of the magnetic field .......
8. Which of the following is NOT true about the magnetic field around a coil of wire carrying a current?
9. If the current direction through the wire is reversed, the direction of the magnetic field .......
10. The magnetic field around a coil of wire carrying current .......

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