All about magnets

Magnets have an invisible force which is called a magnetic field.

The two ends of a magnet are called South Pole and North Pole.

What are magnets made of?

Only some types of metal can attach to metal which is, iron, cobalt, and nickel.

Most magnets are made of these metals.

What are magnets used for?

Magnets are used to make a tight seal on the doors to fridges and freezers. They power speakers in stereos, earphones, and televisions. Magnets are used to store data in computers, and are important in scanning machines called MRIs (magnetic resonance imagers), which doctors use to look inside people's bodies.