__11.All magnet have two nor poles. __12.If you break a magnet into two pieces, you will have two magnets with the same poles. __13.Magnets have invisible magnetic field which attracts objects made of iron and nickel. __14.There are several types of magnets of ring magnets, rectangular magnets and bar magnets Finale__15.one end of a bar magnet is the north pole and the opposite is south pole.