Balance and motion : toying with gravity /
by Emily Sohn and Joseph Brennan.
- Chicago : Norwood House Press, c2011.
- 24 p. : col. ill. ; 23 cm.
- iScience readers .
- Sohn, Emily. iScience readers. .
Includes bibliographical references (p. 23) and index.
Booklist, November 2011
Explains how acrobats use balance and motion, describes how gravity affects the stability and instability of objects, and features illustrated, step-by-step instructions for related experiments and craft projects.