Pulleys
By: James De Medeiros.
Series: Science matters
Publisher: Weigl Publishers
Published: 2009
Place of publication: New York, NY
Language: eng
ISBN-13: 9781605960418; 9781605960425
Subjects: Pulleys -- Juvenile literature
Genres: Juvenile literature
Notes: Includes index.
Table of contents: title: What is a pulley; title: Get into the groove; title: Down the right path; title: What they are all about; title: Simple machines; title: The origins of the pulley; title: Engineering; title: Pulleys in your world; title: Pulling your way through; title: Science in action; title: What have you learned?