Unit Review - Magnetism & Electricity

Front

Can magnets interact without touching?

Back

Yes, magnets can exert forces on each other without direct contact.

Front

What will the magnets do if they are like poles?

Back

They will repel each other.

Front

What makes electromagnets different from regular magnets?

Back

Electromagnets can be switched on and off.

Front

What is the Earth's magnetic field that protects us from solar radiation called?

Back

Magnetosphere.

Front

What does the right-hand rule help determine?

Back

The direction of the magnetic field around a current-carrying wire.

Front

What is magnetism?

Back

Magnetism is a force that can attract or repel certain materials, primarily metals.

Front

What are the two types of magnets?

Back

Permanent magnets and temporary magnets.

Front

What is a magnetic field?

Back

A region around a magnet where magnetic forces can be detected.

Front

What happens when you break a magnet in half?

Back

You create two smaller magnets, each with a north and south pole.

Front

What is an example of an everyday use of electromagnets?

Back

Electric bells and magnetic locks.