Description
Levers are simple machines that make work easier. There are three different classes of levers. Students will learn what levers are, how the classes of levers differ, and how the construction of levers makes work easier.
Book Details
Format
Paperback
Pages
24 pages
Language
English
Published
Aug 1, 2009
Publisher
Bellwether Media
Editions
2 editions
ISBN-10
1600143253
ISBN-13
9781600143250