Magnetism Learning Check

Front

Where is the strongest attracting or repelling force of the magnet?

Back

At the poles.

Front

What happens to the force between two magnets as the distance between them increases?

Back

The force decreases.

Front

Where is Earth's magnetic field strongest?

Back

Where the lines are close together at the poles.

Front

What indicates that a piece of iron is magnetized?

Back

The magnetic domains are aligned.

Front

What does it mean if the domains in a piece of iron are not aligned?

Back

The iron is unmagnetized.

Front

What are magnetic domains?

Back

Regions within a material where the magnetic moments are aligned in the same direction.

Front

What is a magnet?

Back

An object that produces a magnetic field and can attract or repel other magnetic materials.

Front

What is the difference between a permanent magnet and a temporary magnet?

Back

A permanent magnet maintains its magnetism, while a temporary magnet only exhibits magnetism when in a magnetic field.

Front

What is the magnetic field?

Back

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

Front

What is the role of the magnetic poles?

Back

The poles are the points on a magnet where the magnetic force is strongest.