Author(s): Emily Sohn
Format: Hardback
No. of Pages: 48
Publisher: Norwood House Press
Language: English
Date Published: 2011-01-15
Dimensions: 182 x 218 x 10mm
Publication City/Country: Chicago, IL, United States
Edition:
Illustrations: Illustrations, color

"Describes different jobs that levers and pulleys can do and how they are able to do them. As readers use scientific inquiry to learn about how force, energy, and work make using these simple machines possible and effective, an activity based on real world situations challenges them to apply what they've learned in order to solve a puzzle"--