Book: Levers The most complicated machines often rely on a few very simple principles of technology--wheels, springs, screws, wedges, etc. Simple Machines explores these technologies by relating them to common machines in our everyday world--from bedsprings to skateboards to zippers. Numerous "Fact Files" offer primary readers fast facts and other pertinent information.
Details of Book: Levers Book: Levers
Author: David Glover
ISBN: 1403485631
ISBN-13: 9781403485632
, 978-1403485632
Binding: Library Binding
Publishing Date: Apr 2006
Publisher: Heinemann Educational Books
Number of Pages: 24
Language: English