Magnets
Electromagnets
Magnetic field
100

What do magnets attract?

Certain metals like iron and steel.

100

 How does an electromagnet work?

by electric current

100

What is a magnetic field?

space where the magnetic force acts.

200

What is natural magnet?

magnet can not be made by people

200

What everyday device uses an electromagnet?

A doorbell.

200

How can you tell where the magnetic field is strongest?

It is strongest at the poles of the magnet.

300

What is a magnet called that can turn on and off?

Electromagnet

300

What happens when you turn off an electromagnet?

It loses its magnetism

300

 How do like poles behave?

They repel each other.

400

Name a material that is not attracted to magnets.

wood

400

Describe a use for electromagnets in engines.

to lift heavy matters

400

Name something that can be found in a magnetic field.

Metal objects

500

What are the two poles of a magnet?

north and south

500

when the current is .... the electromagnet is on, while when the current ... the electromagnet off.

on - off

500

How do magnetic poles interact?

Opposite poles attract, like poles repel.

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