Sound

by Anna Claybourne

Book Overview

At one time, fighter pilots thought they could never fly faster than the speed of sound. Now, many planes--and the people in them--hurdle through the sky at Mach 1! Readers will find sound a fascinating subject as they discover the many ways this form of energy is used today, including ultrasound machines that allow doctors to check on unborn babies and the various pitches of musical instruments used in music. Including information about how human...

• Format: Library Binding
• Language: English
• ISBN: 1433995204
• ISBN13: 9781433995200
• Release Date: August 2013
• Publisher: Gareth Stevens Publishing
• Length: 48 Pages
• Weight: 0.52 lbs.
• Dimensions: 0.3" x 9.0" x 9.1"
• Age Range: 9 to 11 years
• Grade Range: Grades 4 to 6