Magnets Quiz

Magnetic Field line __________.

• show the area of magnetic force

• can never be changed

• are the signals from TVs

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

The north pole of a magnet will __________.

• attract the north pole of another magnet

• spin in a circle

• repel the north pole of another magnet

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

What makes an electromagnet stronger?

• using batteries

• coiling the wire

• making the magnet spin

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NGSS.MS-PS2-3

What makes an electromagnet so useful?

• They can be turned off and on

• We are running out of natural magnets

• Magnetic fields are easy to see

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NGSS.MS-PS2-3

Which of the following is a magnetic material?

• glass

• plastic

• iron

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NGSS.MS-PS2-3

Which is the main difference between a bar magnet and an electromagnet?

• A bar magnet is not powered by an electrical current

• A bar magnet has no electromagnetic force

• An electromagnet cannot be demagnetized

Tags

NGSS.MS-PS2-3

Which of these materials would a magnet attract?

• glass

• rubber

• nickel

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Which statement about magnets is true?

• all magnet have a north and south pole

• magnets can attract all objects made of metal

• magnets cannot attract objects through solid substances

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Which mixture could you separate with a magnet?

• iron filings and pencil shaving

• water and oil

• water and ice

Which of these can be turned on and off?

• bar magnet

• electromagnet

• refrigerator magnet