Unit 4: Magnets

Unit 4: Magnets

3rd Grade

14 Qs

quiz-placeholder

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Unit 4: Magnets

Unit 4: Magnets

Assessment

Quiz

Science

3rd Grade

Hard

Created by

Jana Tulley

Used 16+ times

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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true of all magnets?

They are man-made.

They are made of iron.

They have two poles and a magnetic field.

They are magnetic only when an electric charge goes through them.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you have two magnets and you try to put the two north poles together, what will most likely happen?

The two poles will not touch each other because of magnetic repulsion.

The magnets will stick together because of magnetic attraction.

The two poles will touch but not stick together.

The magnets will lose their magnetism.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following objects has polarity?

the Earth, which has magnetic north and south poles

the city of Chicago, which has a North and South side

a map of the country, which has a compass pointing north

an unmagnetized block of metal, which has a top and a bottom

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A magnetic field is_____________.

something used to demagnetize pieces of metal

the area in which a magnet exerts magnetic force

an open area where you are likely to find natural magnets

an electric charge that can be sent through a wire to make it magnetic

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: Man-made magnets always retain their magnetism.

True

False

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following works because of the Earth's magnetism?

a compass

a maglev train

an electric lock

a computer chip

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Magnetic attraction is a property that makes two magnets stick together. It occurs when _____________________.

a magnet is near a nonmagnetic object.

two magnets' south poles are near each other.

opposite poles of two magnets are near each other.

a natural magnet and a man-made magnet are near each other.

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