Large electromagnets can lift heavy loads. This one picks up and stacks big blocks of crushed iron and steel in a junkyard. Electricity can make light and heat. It can also make a magnet---one that...
Coil pot pottery
Materials - clay (hardening or chemical) - small dish ■ toothpick ■ water Read Clay (pages 108-110) before you decide what kind of clay you want to use for this project. 1. Break off a lump...
