Cover image for Screws
Title:
Screws
Personal Author EPSB:
Summary:
"Presents information on simple machines with a focus on screws. Explains what a screw is, how screws work, and includes examples of past and present uses. Intended for third to fifth grade students".
Year Published:
2013,

2009
Physical Description:
24 p. : col. ill. ; 27 cm.
Contents:
What is a screw? -- Sharp threads -- Pushing ahead -- Screwy gears -- Nuts and bolts -- Drilling bits -- Early screws -- Gaining an advantage -- Surfing simple machines -- Science in action -- What have you learned?
Subject:
ISBN:
9781621274278

9781621274339
Publisher:
New York : AV2 by Weigl, 2013.

©2013.