Science Map Test Review

Which picture shows an example of objects being held together by magnets?

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NGSS.3-PS2-3

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What job is the magnet doing in this picture?

• Finding a lost screw

• Picking up a nail

• Holding papers together

• Holding paper clips

The picture above shows two electrically charged objects.

What will happen to the two objects in the picture as they are slowly moved toward each other?

• The objects will both be pushed in the same direction.

• The objects will push away from each other.

• The objects will be pulled toward each other.

• The objects will not affect each other.

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Select each correct object. More than one object may be correct.

Which object is likely to move if a magnet is brought near it?

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NGSS.MS-PS2-3

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Select each correct tool. More than one tool may be correct.

In John's workshop, he has several different tools. Which of these tools would be attracted to a magnet?

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Select the correct object.

Magnetic forces can make things move. Which object could a magnet move without touching it?

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Cassie has a magnet that she holds over an iron nail. The nail moves toward the magnet before the magnet touches it.

Which of the following is true about magnetism?

• Magnetism is a force that must directly touch an object in order to move it.

• Magnetism is a force that acts at a distance and cannot be seen.

• Magnetism is not a force, and therefore it cannot move an object.

• Magnetism is a force that can be seen in the air as it moves an object.

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NGSS.MS-PS2-3

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Jeanna went to a store that sold little glass animals. Near the cash register was a floating glass swan.

There was a small black disc attached to the bottom of the swan.

The box it floated over was plugged in.

Jeanna carefully studied the box and swan. She made two correct conclusions about its design.Choose them:

• The force of magnetism was making the swan float.

• The box under the swan is made of plastic.

• The force of gravity was making the swan float.

• A magnet was attached to the bottom of the swan.

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NGSS.MS-PS2-5

Claire likes to sleep with her bedroom door closed. During the day, she likes to keep her door open.

When she stops holding the door open, it very slowly swings shut.

Claire thinks that she can solve this problem with a magnet and some metal by using the design process. If it works, her solution will keep her door ____________________.

Choose the correct answer that completes the sentence.

• open until she closes it.

• closed until she opens it.

• from opening at all.

• from closing at all.

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NGSS.MS-ETS1-1

True or False:

Electrically charged objects can only push or pull objects that they are in direct contact with.

• False

• True

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NGSS.MS-PS2-3

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