Magnets

Electromagnet

• A type of magnet that can be turned on and off using electricity.

• An object that produces a magnetic field.

• The invisible space where a magnet can exert its force on another object.

• A device that creates a large amount of static electricity by rubbing two materials together very quickly.

Attract

• When magnets with the same charges come together we say they "repel" or push each other apart.

• A type of electricity that can be used to push and pull things at a distance. It is typically made by friction and causes things like dust to be attracted to you.

• When magnets with different charges come together we say they "attract" or come together.

• Can be either positive or negative.

Magnetism is a type of ____________

• force
• book
• plant
• animal

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When two magnets attract, they ______________

• push apart
• change color
• get colder
• pull together

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When two magnets repel, they ________________

• change color
• pull together
• push apart
• get colder

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The force of magnetism is stronger when magnets are ________________

• cold
• round
• closer together
• farther apart

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True or False: All metals are attracted to magnet.

• True
• False

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Which two metals will be attracted by a magnet?

• iron and steel
• gold and silver
• aluminum and lead
• copper and cobalt

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What happens when two north poles of a magnet are placed together?

• they repel
• they attract
• they cancel each other out
• the strength of the magnet is doubled

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How is Earth's magnetic field similar to that of a magnet?

• It's shaped like a horseshoe.
• It has north and south poles.
• It is made plastic.
• It is hundreds of miles long.

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