Introduces the science behind forces and machines, with examples such as the use of gravity, friction, levers, and pulleys to make machines work. Includes simple experiments.
An introduction to such materials as glass, wood, paper, plastic, and fabric; and provides step-by-step instructions for simple experiments to determine the material's characteristics and usefulness.
Presents activities that demonstrate how sound, especially musical sound, works in our everyday lives. History boxes feature the scientists who made significant discoveries in the field of sound.
Contains an introduction to light, in simple text with photographs and illustrations, including information on how people see things, how light bends, and how rays of light are split into colors. Includes experiments.