Table of Contents The Speed of Sound What Is Sound Hearing Volume and Pitch Echoes and Echolocation Musical Sounds Glossary To Learn More 4 6 10 12 16 20 22 23 24 Index
off 4 The Speed of Sound You watch the swimmers step onto their starting blocks Then BEEP They take
motion 5 You hear the splash as they dive in The crowd cheers Sound can quickly set things into
