Levers in action
By: Gillian Gosman.
Edition: 1st ed.
Series: Simple machines at work
Publisher: PowerKids Press
Published: 2011
Place of publication: New York
Language: eng
ISBN-13: 9781448806829; 9781448812974; 9781448812981
Subjects: Levers -- Juvenile literature
Genres: Juvenile literature
Notes: Includes index.
Table of contents: title: What is a lever?; title: How does a lever work?; title: Different kinds of levers; title: First class levers at work; title: Second and third class levers; title: The earliest levers; title: Levers today; title: Using leverage every day; title: An experiment with levers; title: You can be a lever, too!; title: Glossary.