Experiment 12: Make your own motor
This simple experiment is courtesy of a goodfriend of ours (thanks Mr. M!). All you needis a very strong (earth) magnet, a copper wireand a battery. The wire doesn’t need to touchthe magnet at the bottom, it just needs to beclose. The wire will spin very quickly aroundthe battery (and will get quite warm to thetouch, which also fascinated the kids). The kids thought it was interesting that ifthey flipped...