Invisible power. - Markham, Ont. : Scholastic Canada, 2000. - 32 p. : col. ill., col. ports. ; 28 cm. - Pan-Canadian science place .

For use in grade 3.

ISBN: 9780779100262 (pbk.)

Nat. Bib. Agency Control No.: 009302859

Subjects--Topical Terms:
Force and energy.
Magnetism.
Force et energie.
Magnetisme.

Dewey Class. No.: 531/.6