Levers
By: Jennifer Howse.
Series: Science matters
Publisher: Weigl Publishers
Published: 2009
Place of publication: New York, NY
Language: eng
ISBN-13: 9781605960319; 9781605960326
Subjects: Levers -- Juvenile literature; Lifting and carrying -- Juvenile literature
Genres: Juvenile literature
Notes: Includes index.
Table of contents: title: What is a lever?; title: Types of lever; title: Understanding the fulcrum; title: Understanding input and output; title: Lifting with a lever; title: Simple machines; title: Complex machines; title: Working without a lever; title: Surfing for planes; title: Science in action; title: What have you learned?