Homemade compass. For this trick you need needle, piece of cork, magnet, plate and some water. You need to magnetize a needle and put it on the cork which floating in the plate with water. The needle ...
Apples and magnet. For this experiment you need to build suspension from chop sticks. Put 2 apples at opposite ends of the stick and after that bring a magnet very close (you need very strong magnet.