Get to know levers
By: Karen Volpe.
Series: Get to know simple machines
Publisher: Crabtree Pub. Company
Published: 2009
Place of publication: New York, NY
Language: eng
ISBN-13: 9780778744849; 9780778744672
Subjects: Levers -- Juvenile literature
Genres: Juvenile literature.
Notes: Includes index.
Table of contents: title: Levers make work easier; title: Parts of a lever; title: Catapult shooter; title: First class levers; title: Moving the fulcrum; title: Second class levers; title: Crack that nut; title: Third class levers; title: Small effort, big result; title: Levers for fun, too; title: All around you; title: Working together; title: Glossary.