Visitor rating
Details how air actually has matter, using its weight to hold objects up or down. Uses parachute-drop exercises to show students how this actually happens. Includes teacher's guide.
GPN Educational Media, Box 80669, Lincoln, NE 68501-0669, Phone: (402)472-2007, Toll-free: 800-228-4630, Fax: (800)306-2330, URL: http://gpn.unl.edu, Remarks: Formerly: Great Plains National.
Available on VHS
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