Publisher's Synopsis
Screws are simple machines used for many different jobs. The concept of a screw is used in snow blowers, drills, and presses. Kids will learn how screws work and how they are used in complex machines.
Paperback (01 Aug 2009)
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Screws are simple machines used for many different jobs. The concept of a screw is used in snow blowers, drills, and presses. Kids will learn how screws work and how they are used in complex machines.
ISBN: | 9781626174788 |
Publisher: | Bellwether Media |
Imprint: | Blastoff! Readers |
Pub date: | 01 Aug 2009 |
DEWEY: | 621.8 |
Language: | English |
Number of pages: | 24 |
Weight: | 59g |
Height: | 221mm |
Width: | 155mm |
Spine width: | 5mm |