Visitor rating
The program demonstrates that water has weight and discusses the principles of wind and water power. Part of the "Inventive Child" Series.
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 11 minutes.
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