The student will investigate and understand that natural and artificial magnets have certain characteristics and attract specific types of metals. Key concepts include a) magnetism, iron, magnetic/nonmagnetic, poles, attract/repel; and b) important applications of magnetism.
- magnets have two poles, a north pole and a south pole
- the north pole of one magnet and the south pole of another magnet will attract
- the south poles of two magnets and the north poles of two magnets will repel
- magnets are attracted to the metals iron, nickel, and cobalt
- magnets are used in everyday products like:
- refrigerator magnets
- door latches
- paperclip holders
- credit cards
- some magnets are natural and some are man-made.
- natural magnets are called lodestone or magnetite
- man made magnets are called artificial magnets