Earth: A Giant Magnet

Front

Magnetic field lines go.... the North side

Back

out of, out

Front

Electric currents produce _____________

Back

magnetic fields

Front

What will happen when these magnets are brought close together?

Back

They will repel each other.

Front

Why does a compass needle point north?

Back

It lines up with the Earth's magnetic field.

Front

What is our best evidence that Earth has a magnetic field?

Back

A compass needle lines up with it.

Front

What is a magnetic field?

Back

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

Front

What is a compass?

Back

A device that uses a magnetized needle to show direction.

Front

What happens when like poles of magnets are brought together?

Back

They repel each other.

Front

What happens when opposite poles of magnets are brought together?

Back

They attract each other.

Front

What is the Earth's magnetic field?

Back

A magnetic field that extends from the Earth's interior out into space.