Magnetism

A piece of glass is between a magnet and a nail. What change should be made to make sure the nail is still attracted to the magnet?

• The magnet is moved further away.

• The glass is replaced by a piece of paper.

• The nail is replaced by a plastic spoon.

• The glass is replaced with a thick piece of wood.

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which MUST be included in an electromagnet?

• electric current

• light bulb

• motor

• switch

Like or similar poles on two magnets will

• attract

• have no effect

• repel

• all of these

A push or a pull

• magnet

• attract

• force

• temporary

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NGSS.3-PS2-1

A material that is made of iron that is attracted to other materials also made of iron

• magnet

• attract

• force

• temporary

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NGSS.MS-PS2-3

When opposite poles of a magnet are near each other, they will

• magnet

• attract

• force

• temporary

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NGSS.MS-PS2-3

something that only lasts for a short period of time

• magnet

• attract

• force

• temporary

One way to turn off an electromagnet is to ________ the circuit by flipping a switch.

• magnet

• open

• electromagnet

• repel

a magnet that can be turned on and off

• magnet

• open

• electromagnet

• repel

When two north poles of a magnet are near each other, they will

• magnet

• open

• electromagnet

• repel

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5