Pulleys and gears
By: Jennifer Lawson ... [et al.].
Contributors: Lawson, Jennifer E. 1959-
Series: Hands-on science (Winnipeg, Man.) -- Gr. 4
Publisher: Peguis Publishers
Published: 2001
Place of publication: Winnipeg
Language: eng
Number of pages: 51
Subjects: Science -- Study and teaching (Elementary); Science -- Problems, exercises, etc.; Pulleys -- Study and teaching (Elementary); Gearing -- Study and teaching (Elementary)
Genres: Problems, exercises, etc.
Other titles: Physical science (Structures and mechanisms); Structures and mechanisms
Notes: On back cover: Hands-on science : Modules K-6.

Includes bibliographical references (p. 51)

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