Over one hundred projects demonstrate composition of objects, how substances are affected by various forms of energy — heat, light, sound, electricity, mechanical energy, more. 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, more. Over 100 illustrations.
Reprint of the original, 1959 edition.
|Availability||Usually ships in 24 to 48 hours|
|Grade level||3 - 8 (ages 8 - 14)|
|Dimensions||6 1/8 x 9 1/4|