Simple text and color photographs introduce the characteristics of light and sound.

"Includes fun and easy projects!"--Cover. "First published as Kingfisher Young Knowledge: Light and Sound in 2007"--T.p. verso.

World of light -- Eyes and seeing -- Color -- Making light -- Light from the sun -- Darkness and light -- Shadows -- Bouncing light -- Bending light -- Electric light -- World of sound -- What is sound? -- How do we hear? -- Making sound -- How sound travels -- Quiet or loud? -- High or low? -- Electric sound -- Project : shadow puppets -- Project : shadow clock -- Project : xylophone -- Project : plastic-cup telephone -- Glossary -- Parent and teachers notes -- Did you know? -- Light and sound quiz -- Find out more -- Index.