NGSS.MS-PS2-3

If you place the North pole of a magnet next to the South pole of another magnet, they will:

• Attract
• Repel
• Do nothing
• Shatter

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NGSS.MS-PS2-3

If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that

• friction destroyed electrons in the rod.
• the silk has become negatively charged.
• protons have moved to the rod.
• glass attracts more protons.

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NGSS.MS-PS2-3

An area that deflects and traps harmful particles, and results from the interaction between Earth's magnetic field and solar winds is called...

• atmosphere

• ozone layer

• magnetic fields

• magnetosphere

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NGSS.MS-PS2-3

The south ends of two magnets will _________ each other.

• repel

• attract

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NGSS.MS-PS2-3

Using the image below, where is the magnetic field of this magnet the strongest?

• Position A

• Position B

• Position C

• Position D

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NGSS.MS-PS2-3

This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

• Add more coils of wire to the nail.
• Use a smaller battery.
• Reverse the poles of the magnet.
• Remove all the coils and the nail.

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NGSS.MS-PS2-3

Will these magnets attract or repel?

• Attract

• Repel

• Neither

• Both

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NGSS.MS-PS2-3

The ball on the string is being repelled (pushed away) by the metal bar.

What must be the charge on the ball?

• postivie

• neutral

• negative

Tags

NGSS.MS-PS2-3

The ball on the string is being repelled (pushed away) by the metal bar.

What must be the charge on the ball?

• postivie

• neutral

• negative

Tags

NGSS.MS-PS2-3

(True of False) An electromagnet is still a magnet when there is not current running through it.

• True

• False

Tags

NGSS.MS-PS2-3