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Demonstrates the properties of sound (speed, wavelength, frequency, amplitude, and reflection) including vibration and sound waves. Contains experiments that can be duplicated for home or classroom use.
Encyclopedia Britannica, 331 N. LaSalle St., Chicago, IL 60610, Phone: (312)347-7159, Toll-free: 800-323-1229, Fax: (312)294-2104, URL: http://www.britannica.com
Available on VHS
Running time 13 minutes.
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