Magnetism

When two magnets attract, they ______________

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

When two magnets repel, they ________________

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

Opposite magnetic forces _____ each other.

• Attract
• Repel

How many poles does a magnet have?

• 1
• 2
• 3
• 4

What would we call a nail that can pick up a paperclip because it is touching a magnet?

• temporary magnet
• poles
• force
• detector

Magnets have a north and a south ___________

• shape
• color
• pole
• region

A north pole and a south pole will attract.

• True
• False

What kind of magnet can be turned on and off?

• refridgerator magnet
• electromagnet
• magnetite
• iron

In order to make an electromagnet, you need a  

• battery, nail, and magnet
• battery, wire, and nail
• magnet, nail, and wire
• all of the above

How do you make an electromagnet?

• wrap a battery in wire and connect it to an iron nail.
• wrap a wire with another wire and connect it to an iron nail.
• wrap an iron nail in wire and connect it to a power source.
• wrap an iron nail in wire and connect it to another iron nail.