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Magnetism

Chapter 19 Review

QuestionAnswer
Every magnet, regardless of its shape, has two magnetic poles
Two magnetic poles that are alike will repel each other
Two magnetic poles that are opposite will attract each other
An electric current produces a magnetic field
What happens if you break a magnet in half? Each half will have a north and south
What is the region around a magnet called? magnetic field
How are the atoms in a magnet arranged? in the same direction
How are the atoms in a non-magnet arranged? in random patterns
How can you destroy a magnet? by heated it or dropping it
A complete path through which electric charges flow is an electric circuit
Materials that allow the charges of an electric current to move freely through them are called conductors
Materials that do not allow the charges of an electric current to move freely through them are called insulators
How can you increase the strength of an electromagnet? increase voltage, increase coils, put coils closer together, change material used
Created by: Mr. Chauvin
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