Take all kinds of magnets and test things to see what is attracted and what is not.

333 Tricks
1) pg 98 Stick two needles, a long and short through a cork, and make them balance on the rim of the glass. Then, magnetize the small needle by rubbing the eye of it on one end of the permanent magnet. When the needles and cork are again placed on the glass, with the small needle in the north-south direction, they will not balance as level as before. The needle will dip, to show that the earth's magnetic lines do not run parallel to the surface of the earth, but extend downward toward a point inside the earth. The amount of dip will vary according to the locality of the earth on which the experiment is tried.

2) pg 102 - 106: Magnetize two needles by stroking them with one pole of the magnet. Place one on the table, and approach it with the other. If the needles are attracted, turn one around. Then, as one approaches, the other rolls away.


101 Phy Tricks

pg 44: Lay one of two magnets on a piece of balsa wood or thick polystyrene packing material. Push cocktail sticks into the bottom of this, around the edge of the magnet. Use an eraser to help you, so that you don't prick your finger on the point of the sticks. Carefully lower the second magnet onto the first, making sure that the two north poles and the two south poles are lined up. When the magnet is released it will bob up and float in mid-air, held by the powerful repelling force between the poles.


pg 41: Take a magnetized needle to a thin slice of cork. Float this in a saucer of water placed on a disc of paper marked with the points of a compass. Because the needle is magnetic it will come to a stop pointing north/south. Turn the paper disc so that north is in line with the point of the needle. Your compass now shows the directions of north, sough, east and west.