Rees, Peter.

Why do swings swing? : and other moving questions/ Peter Rees. - Markham, Ont. : Scholastic Canada, 2007. - 16 p. : ill. (chiefly col.), ports. ; 23 cm. - Why is it so? Science. Level 4 .

Published by Cambridge University Press Australia 2009.

ISBN: 9780521137201 (pbk.) : £3.70 0521137209 (pbk.) : £3.70 9780779174096 (pbk.)

Nat. Bib. No.: GBB045972 bnb

Subjects--Topical Terms:
Dynamics--Miscellanea.
Force and energy--Miscellanea.

Dewey Class. No.: 530.11