Magnetism

How does a metal become a magnet?

• The electrons are arranged in a line.

• The electrons leave the metal.

• The electrons spin around the outside edges of the metal's atoms.

• The electrons are reduced by half.

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What is the area around a magnet beyond the metal itself that is also magnetized?

• The poles

• The magnetic field

• The voltage

• The conductor

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Where is the magnetic field the strongest?

• The middle

• The poles

• The entire magnet is equally powerful in all locations.

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When does the force between 2 magnets get weaker?

• When they move apart from each other

• When they move closer together

• When opposite ends come in contact with each other

• When one has more mass than the other.

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Which statement is correct? (2 answers)

• Opposite ends of a magnet attract.

• Opposite end of a magnet repel.

• Similar ends of a magnet attract.

• Similar ends of a magnet repel.

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True or False? All metals can be magnetized.

• True

• False

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True or False? Earth's magnetic field does not extend beyond 10 miles around Earth.

• True

• False

Which is true about electromagnets?

• They are permanent.

• They are temporary.

True or False? You must use a metal that can become a magnet in order to create an electromagnet?

• True

• False

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A compass points North because it contains a magnet in which its _____ pole is attracted to Earth's North Pole.

• South

• North

• East

• West

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