Whittle, Fran.

Simple machines / Fran Whittle, Sarah Lawrence. - Austin, Tex. : Raintree Steck-Vaughn, c1998. - 32 p. : col. ill. ; 28 cm. - Design and create .

Includes bibliographical references (p. 30) and index..

Instructions for twelve projects involving the basic principles of simple machines.

ISBN: 0817248900

LCCN: 97020319

Subjects--Topical Terms:
Simple machines--Experiments.
Experiments.

LC Class. No.: TJ147 / .W485 1998

Dewey Class. No.: 621.8/11