People invented magnets from some natural resources.
Loadstone is a kind of rock which contains a lot of iron.
Atoms in the magnet are arranged in the same direction.
The strength of the magnet is permanent- it doesn't get weaker.
The poles of magnet will push against the same pole and attract the different one.
The north pole always repel the south pole of other magnets.
Electricity is the most important part of permanent magnets.
Magnets are divided into two types; permanent magnet and electromagnet.
Electromagnet makes your CD player work when you want to listen to music.
Every types of electronic devices cannot work without a magnet.