E_QUEST1 How are magnets used in some electric motors?
E_QUEST2 Are coins magnets? Why or why not?
E_QUEST3 How is the Earth's core like a bar magnet?
D_TEXTBLOCK_TEXT A magnet is a solid object that attracts iron and attracts or repels other magnets. The <HL Topic=Force.tpc>FORCE</HL> of a magnet is strongest at the ends, which are called <HL Topic=Magnetic.tpc>MAGNETIC POLES</HL>. There are natural magnets, called lodestones, and there are artificial magnets that can be made from <HL Topic=Iron.sub>IRON</HL>, <HL Topic=Steel.sub>STEEL</HL>, cobalt, <HL Topic=Nickel.sub>NICKEL</HL>, and other rare earth elements, called ferromagnetic elements.