Screws
By: Michael De Medeiros.
Series: Science matters
Publisher: Weigl Publishers
Published: 2009
Place of publication: New York, NY
Language: eng
ISBN-13: 9781605960395; 9781605960401
Subjects: Screws -- Juvenile literature
Genres: Juvenile literature
Notes: Includes index.
Table of contents: title: What is a screw?; title: Sharp threads; title: Pushing ahead; title: Screwy gears; title: Gaining an advantage; title: Nuts and bolts; title: Drilling bits; title: Early screws; title: Screws on the Web; title: Science in action; title: What have you learned?