Uses a pair of eyeglasses to introduce children to various scientific concepts, explaining how glasses improve vision, how they are created, how the brain processes images seen through glasses, and other related topics.
Text and color illustrations present basic explanations of how shadows, reflections, and rainbows are created. Also includes experiments, a glossary, and a further-reading list.
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.