Amplify Magnetic Fields Review

Front

What is the primary material that makes up the Earth's core?

Back

Iron.

Front

What happens when two like poles of magnets are brought close together?

Back

They repel each other.

Front

What happens when two opposite poles of magnets are brought close together?

Back

They attract each other.

Front

What is the force that causes magnets to attract or repel each other?

Back

Magnetic force.

Front

What is potential energy in the context of magnets?

Back

The stored energy in a system due to the position of the magnets relative to each other.

Front

What happens to potential energy when a magnet moves against the magnetic force?

Back

The potential energy increases.

Front

What happens to potential energy when a magnet moves in the same direction as the magnetic force?

Back

The potential energy decreases.

Front

What is a magnetic field?

Back

An area around a magnet where magnetic forces can be felt.

Front

How can you visualize a magnetic field?

Back

Using iron filings or magnetic field lines.

Front

What is the difference between a permanent magnet and an electromagnet?

Back

A permanent magnet maintains its magnetic properties, while an electromagnet's magnetism can be turned on and off.