Description
Screws are simple machines used for many different jobs. The concept of a screw is used in snow blowers, drills, and presses. Kids can learn how screws work, and how they are used in complex machines.
Book Details
Format
eBook
Pages
25 pages
Language
English
Published
Aug 1, 2009
Publisher
Bellwether Media
Editions
2 editions
ISBN-10
1612115322
ISBN-13
9781612115320