SoundDVD - 2016
What is sound? How does sound move? What are the characteristics of sound waves? How do people perceive sound? What is echolocation? The answers to all of this are covered in depth with detailed graphics, diagrams, and exciting video. On-screen, multiple-choice reviews at the end of each segment reinforce important concepts and make learning fun.
Publisher: Rancho Palos Verdes, CA :, Wonderscape Entertainment, LLC,, 
Branch Call Number: DVD J 534 SO
Characteristics: 1 videodisc (23 min.) : sound, color ; 4 3/4 in. 4 3/4 in.,rda digital,optical,rda video file,DVD video,rda