Magnets-a piece of iron that has its component atoms so ordered that the material exhibits properties of magnetism, such as attracting other iron-containing objects or aligning itself in an external magnetic field.
Temporary Magnets-An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
Permanent Magnets- A piece of magnetic material that remains its magnetism after it is removed from a magnetic field.
Electromagnets-An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. The magnetic field disappears when the current is turned off. Electromagnets usually consist of a large number of closely spaced turns of wire that create the magnetic field.