Magnetism

media type="custom" key="8684522" Magnets come in all sizes and shapes. Typical shapes include bars, doughnuts, buttons, horseshoe, and marbles.
 * Magnetism** is the property of attracting materials made out of **Iron or Steel** (Also **Cobalt and Nickel**). A **Magnet** is an object that attracts materials made out of iron or steal.


 * [[image:http://falconsscience.files.wordpress.com/2008/03/u19550_pair-of-bar-magnets-80-mm-1.jpg width="177" height="150"]] || [[image:http://www.magnetdeal.com/products/ferrite_magnet/1.jpg width="163" height="172"]] || [[image:button_magnets.jpg width="149" height="149"]] || [[image:http://rosinstrument.com/pb/img/static.thepiratebay.org-doodles-magnet.jpg width="137" height="154"]] ||

Most commercially made **Permanent Magnets** are made out of of steel that contained iron and other metals. These magnets are difficult to produce. Some pieces of iron or steel can be made into **Induced Magnets**. By rubbing pieces of on your steel on a **Permanent Magnets**, the pieces of iron become magnetize. Induced magnets are only temporary. They will lose their magnetism over time.