An in-depth investigation of light and sound for middle school and high school readers. Explore the properties of light, including how it is produced, how it travels, how it is reflected, color, and how the human eye works. The volume also examines the properties and various methods of producing and recording sound, including its perception by the human ear and production by the human voice. Includes diagrams, definitions of science words, experiments, glossary, further resources, and index.