Sending Messages With Light and SoundBook - 2015
"Young readers will learn how we send and receive messages using light and sound in this accessible, photo-filled book. Simple text explains different methods of sending messages and shows how light and sound make sending these messages possible. Vibrant photos bring basic science concepts to life and encourage kids to explore light and sound on their own"-- Provided by publisher.
Publisher: Minneapolis : Lerner Publications, 
Copyright Date: ©2015
Branch Call Number: E 384 BOOTHROYD
Characteristics: 24 pages : color illustrations ; 19 cm