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Magnets and Electromagnets

Last updated almost 6 years ago

7 questions

Note from the author:

Magnets and Electromagnets

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Question 1

1.

The area around a magnet where it can push and pull is called

magnetic force

magnetic field

repel

Question 2

2.

Magnetism works over a distance, which means that a magnet does not have to be touching an object to pull or push it.

True

False

Question 3

3.

What three things will stick to a magnet?

iron

copper

nickel

cobalt

aluminum

Question 4

4.

The points on a magnet where the force is the strongest.

the center of the magnet

the magnetic poles

the magnet has the same force throughout the surface of the magnet

Question 5

5.

Magnetic poles that are the same and opposite magnetic poles ______.

repel, attract

attract, repel

repel, repel

attract, attract

Question 6

6.

a magnet made by using electric current

horseshoe magnet

bar magnet

electromagnet

Question 7

7.

Choose two ways that you can make an electromagnet stronger

Increase the amount of current flowing through the wire

keep the wire attached to the battery for a longer period of time

Be sure that the north pole of the magnet is touching the south pole

wrap the wire around the core several more times

disconnect the battery from the wire