Ingredients like these are put in to hold the minerals. Magnets A magnet is a metal that attracts metals such as iron and other materials. A magnet has a north pole and a south pole. A north side will attract to a south side but a north and north or south and south side will push away from each other. There are two different types of magnets, permanent magnets and electromagnets.
Permanent magnets hold their magnetic force for a long time.
Bar magnets and horseshoe magnets are an example of permanent magnets. Electric currents flowing through wire can also cause magnetic fields. This is called electromagnets. If the battery isn't plugged in then the flow stops. Electromagnets also have north and south poles.