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Explores states of matter by examining why water expands as it freezes, while paraffin shrinks, why your breath fogs a mirror, and more. Part of the "It's Chemical" series.
Human Relations Media, 41 Kensico Dr., Mount Kisco, NY 10549, Phone: (914)244-0486, Toll-free: 800-833-2004, Fax: (914)244-0485, Email: orders@hrmvideo.com, URL: http://www.hrmvideo.com
Available on VHS
Running time 38 minutes.
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