Quiz: Magnetism

Each illustration shows a horseshoe magnet and an iron nail. In which one is the force of magnetism on the nail the strongest?

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A magnet can hold papers onto a refrigerator door. Which statement about the refrigerator door correctly explains what makes this possible?

• The door has magnets inside it.

• The door has a flat, smooth surface.

• The door is made of plastic or glass.

• The door is made of a magnetic metal.

True or False: A magnet need to touch a metal object to hold it.

• True

• False

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the diagram shows a bar magnet and four points near it. At which point is the magnetic force the strongest?

• Point A

• Point B

• Point C

• Point D

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Joe is investigating the forces between bar magnets. He draws the diagram shown here. The diagram shows bar magnets. He wants to add an arrow between the magnets to show the magnetic force. What is the best choice?

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Which items are attracted to a magnet?

• rubber eraser, wooden ruler

• iron and nickel

• glass and aluminum

• plastic and paper

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Magnets that are arranged like this will _______. 

• move away from each other (repel)
• move towards each other (attract)

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What are the poles of a magnet?

• East/West

• North/South

• North/west

• East/South

What happens when you break a magnet?

• It is not possible to break a magnet

• It becomes 2 smaller magnets.

• The poles separate

• The magnet becomes stronger

What happens when these magnets come close to one another?

• gravity

• repel

• attract

• friction

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