Module 3 Electromagnetism Review

Opposite poles on a magnet...

• attract

• repel

• neither attract nor repel

• both attract and repel

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NGSS.MS-PS2-3

Why does a paper clip attract to a magnet?

• Because a paper clip is a magnet

• Because the north poles of the paper clip point toward the north pole of the magnet

• Because the north poles of the paper clip point toward the south pole of the magnet

• Because the poles spin, but in no particular direction

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How can you make a permanent magnet out of a temporary magnet?

• Rub it with a strong magnet

• You can heat it and then let it cool it in a very strong magnetic field.

• Heat it while it influenced by another magnet.

• You can do any of the others.

The location of the strongest magnetic field is the ____.

• electromagnetic pole

• magnetic domain

• magnetic field

• magnetic pole

Why does a magnet's N needle always point north?

• Because it points to Earth's magnetic south pole, which is near its geographic north pole.

• Because it points to Earth's magnetic north pole, which is near its geographic north pole.

• Because it points to Earth's magnetic south pole, which is near its geographic south pole.

• Because it points to Earth's magnetic north pole, which is near its geographic south pole.

A material through which electrons can move easily is a(n) _____.

• conductor

• charge

• insulator

• magnet

What's the region where the magnetic forces act called?

• center of the magnet

• magnetic domains

• magnetic fields

• magnetic poles

Tags

NGSS.MS-PS2-5

A material through which electrons can NOT move easily is a(n) _____.

• conductor

• charge

• insulator

• magnet

Each of the following is an example of an insulator EXCEPT _____.

• rubber

• tacos

• gold

• concrete

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NGSS.MS-PS3-3

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An electric field gets stronger as you ____.

• get closer to a charge

• get farther from a charge

• add negatively charged particles to a positively charged object

• remove negatively charged particles from a negatively charged object

Tags

NGSS.MS-PS2-3