Magnets

Front

What happens when a north pole and a south pole of magnets are brought together?

Back

They attract each other.

Front

What device uses a free-moving magnetic needle to show direction?

Back

Compass.

Front

Which object cannot be moved by a magnet: a paper clip, a nail, a toothpick, or a staple?

Back

A toothpick.

Front

How is Earth's magnetic field similar to that of a magnet?

Back

It has north and south poles.

Front

What is a permanent magnet?

Back

A magnet that keeps its magnetism for a long time.

Front

What is a temporary magnet?

Back

A magnet that loses its magnetism after a short time.

Front

What are the two poles of a magnet called?

Back

North pole and South pole.

Front

What is the area around a magnet where magnetic forces can be felt?

Back

Magnetic field.

Front

What materials are typically attracted to magnets?

Back

Materials made of iron, nickel, or cobalt.

Front

What is a lodestone?

Back

A naturally magnetized piece of the mineral magnetite.