Link science : a hands-on approach to the environment / the Nomad Scientists. - Markham, Ont. : Pembroke Publishers, c1990. - 95 p. ; 23 cm.

Includes index.

Includes bibliographical references: p. 87-92.

ISBN: 0921217579 :

Subjects--Topical Terms:
Science--Study and teaching (Elementary).
Activity programs in education.

Dewey Class. No.: 372.3/5/044