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Investigates the world of sound, how it travels, the structure of sound waves, how we hear sound, how we make it, and how we use it. Complete with teacher's guide.
United Learning, 1560 Sherman Ave., Ste. 100, PO Box 48718, Evanston, IL 60201, Phone: (888)892-3484, Fax: (847)328-6706, Email: info@interaccess.com, URL: http://www.unitedlearning.com, Remarks: A division of Discovery Communications
Available on VHS
Running time 20 minutes.
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