What Are Sound Waves? (Light and Sound Waves Close-Up): Johnson, Robin: 9780778705260: Amazon.com: Books
Sound The Facts Sound … 1. is a form of energy produced & transmitted by vibrating matter. 2. travels in longitudinal waves. 3. travels more quickly. - ppt download
How Sound Waves Interact: Definitions & Examples - Video & Lesson Transcript | Study.com
What Do You Hear Underwater? - Scientific American