The Magnet Book

Find out all about magnetic fields by trying all 39 of these "magnetic magic" tricks, games, and experiments. Discover what sticks to a magnet and what doesn't. Count how many paper clips your magnet will pick up. Then get two magnets and create a variety of dazzling magnetic fields. Make one end of your magnet attract objects and the other end push them away. Take a picture of magnetic "suntan lines" with iron filings and light-sensitive paper. You can even build your own electromagnet with a piece of wire, a nail, and a battery, then make it ring a bell, turn a wheel, pick up objects, and much more. Or make an electric motor and use it to generate electric power. Erase an old audio or video tape you don't want anymore and magnetize it with weird sounds or pictures.