Physics Experiments for Children Author:Muriel Mandell 103 projects demonstrate composition of objects, how substances are affected by various forms of energy—heat, light, sound, electricity, mechanical energy, etc. How a thermometer measures heat, how an electric bulb emits light, how shadows are formed, how to make a periscope, how to make a rainbow, etc. Unabridged republication of the orig... more »inal (1959) edition.« less