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Magnets 1

100

Name an object that a magnet is attracted to.

Many different metal obejcts

200

Where is the magnetic force strongest on a magnet?

At the poles

300

Could a train be powered partially by magnets?

Yes

400

Can an electromagnet lift a car?

Yes

500

I put the north pole of a magnet near an unknown pole of another magnet. The magnets repel. What do I know about the unknown pole?

It was also a north pole.

Magnets 2

100

A magnet that keeps its magnetism for a long time

a permanent magnet

200

What does repel mean?

To push away.

300

Which lasts longer: A permanent or a temporary magnet?

Permanent

400

What are the components of an electromagnet?

1. Battery

2. Core

3. Wire

4. Switch

500

If a nail is attracted to a magnet, what can you say about the nail?

That it was made with magnetic metal.

Magnets 3

100

What kind of magnet can be turned on and off?

Electromagnet

200

What does attract mean?

To pull together.

300

What happens if the north end of a magnet touches the north end of another magnet?

They will repel.

400

How does a compass work?

It points to the earth's north magnetic pole.

500

Draw the magnetic field of two attracting magnets

 

Magnets 4

100

Name a type of metal that magnet is attracted to.

Iron/Nickel/Steel

200

The north pole of a magnet is attracted to what end of another magnet?

The south pole.

300

The invisible force around a magnet is its

Magnetic Field

400

What kind of magnet can be made by rubbing a needle with a permanent magnet?

A temporary magnet

500

How does an MRI work?

When the electromagnet turns on it sends out a magnetic field. The magnetic field interacts with the atoms in the body. The atoms act like tiny magnets which the machine takes pictures of.