Magnets And Magnetism Quiz
7 Questions
| Attempts: 851
Questions about magnets and magnetism.
Questions and Answers
- 1.When was the first compass invented?
- A.
A.D. 1087
- B.
A.D. 234
- C.
A.D.1033
- 2.When two magnets have one force field, they are said to attract each other.
- A.
True
- B.
False
- 3.The bar magnet is stronger than the horseshoe magnet.
- A.
True
- B.
False
- 4.What magnet has a north and a south pole?
- A.
A plastic magnet
- B.
A polar magnet
- C.
A electronic magnet
- D.
None of the above
- 5.What are materials which lose their magnetism quickly?
- A.
Iron oxide materials
- B.
Expensive materials
- C.
"magnetically soft" materials
- 6.Temporary magnets become magnetized for a short period of time by what?
- A.
Magnetite
- B.
Induction
- C.
Metal
- 7.A bar of iron placed across the ends of a horseshoe magnet to help preserve the magnetism is called a "___________."
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