How Magnets Work

This large crane magnet functions only when the electrical current is ON.  The crane magnet is an example of what type of magnet?

• NIB Magnet

• Ceramic Magnet

• Electromagnet

• funnel magnet

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

The strongest parts of the magnet are ...

• fronts

• backs

• poles

• middle

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NGSS.MS-PS2-3

Like magnetic poles push each other away

• true

• false

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NGSS.MS-PS2-3

What would happen if you touched a south pole end of a magnet to a north pole end of another magnet?

• they would be attracted to each other

• they would be repelled from each other

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NGSS.MS-PS2-3

What would happen is a north pole of a magnet came close to a north pole of another magnet?

• they would be attracted to each other

• they would be repelled from each other

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NGSS.MS-PS2-3

The area around a magnet is called the .....

• attraction zone

• work area

• magnetic field

• hot zone

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NGSS.MS-PS2-3

What is our best evidence that Earth has a magnetic field?

• Earth's oceans all have currents.

• Winds blow from east to west.

• A compass needle lines up with earth.

• All things fall toward earth's center.

Which of these materials will a Magnet Attract?

• Plastic

• Iron

• Rubber

• Wood

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which part of the Magnet is Strongest?

• Center

• Sides

• Poles

Why does a compass needle point north?

• The compass is a bar magnet

• Because north is up

• Because it's magic

• It lines up with the Earth's magnetic field