Learning about simple machines with graphic organizers
By: Jonathan Kravetz.
Edition: 1st ed.
Series: Graphic organizers in science
Publisher: PowerKids Press; Rosen Publishing Group
Published: 2007
Place of publication: New York
Language: eng
Subjects: Simple machines -- Juvenile literature.
Notes: Includes index.
Table of contents: title: What are simple machines?; title: Types of simple machines; title: How simple machines work; title: Levers; title: Wheel and axle; title: Pulleys; title: Gears; title: Inclined planes and wedges; title: Screws; title: History of simple machines; title: Complex machines.