Magnetism and Electromagnetism

Front

attraction

Back

The force that pulls things together, e.g. opposite poles of two magnets.

Front

electromagnet

Back

A magnet made by passing electricity through a coil of wire, which often has a core inside.

Front

magnet

Back

An object that has a magnetic field and can attract magnetic materials.

Front

magnetic field

Back

The area around a magnet where its magnetic force can be felt.

Front

magnetic materials

Back

Materials that are attracted to a magnet, e.g. iron, cobalt and nickel.

Front

magnetism

Back

The force(s) produced by a magnetic field.

Front

poles

Back

The parts of a magnet where its magnetic field is strongest.

Front

relay

Back

A circuit containing an electromagnet that is used to control another circuit.

Front

repulsion

Back

The force that pushes things away from each other, e.g. like poles of two magnets.