Hodge, Deborah.

Simple machines / by Deborah Hodge ; photographs by Ray Boudreau. - Oxford, [England] : Heinemann Children's Reference, 1997, c1996. - 32 p. : col. ill. ; 24 cm. - Starting with science .

Includes index.

ISBN: 0431016194

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

Dewey Class. No.: j621.8/11