Visitor rating
Focuses on testing and confirmation of hypotheses and how it applies to their work in the life, earth, or physical sciences.
National Geographic Society, c/o Educational Services, PO Box 98019, Washington, DC 20090, Phone: (202)857-7378, Toll-free: 800-627-5162, Fax: (202)857-7300, Email: info@nationalgeographic.com/foundation, URL: http://www.nationalgeographic.com/foundation
Available on VHS
Running time 20 minutes.
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