Gizmos & gadgets :creating science contraptions that work (& knowing why)

Provides instructions for making seventy-five contraptions that demonstrate friction, gravity, energy, motion, and other principles of physics and explains how to think like an inventor.

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Bibliographic Details
Main Author: Hauser, Jill Frankel, 1950-
Other Authors: Kline, Michael P. (Illustrator)
Format: Books Print Book
Language:English
Published: Charlotte, Vt. : Williamson Pub., c1999.
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Description
Summary:Provides instructions for making seventy-five contraptions that demonstrate friction, gravity, energy, motion, and other principles of physics and explains how to think like an inventor.
Item Description:"Williamson kids can!"
Physical Description:144 p. : ill. ; 22 cm.
Audience:"For children ages 7 to 14"--P. 4 of cover.
Bibliography:Includes index.
ISBN:1885593260 (alk. paper)