Machines we use
By: Sally Hewitt.
Edition: 1st American ed.
Series: It's science!
Publisher: Children's Press
Published: 1998
Place of publication: New York
Language: eng
Number of pages: 30
Subjects: Machines -- Juvenile literature; Machines -- Experiments -- Juvenile literature; Simple machines
Description: Examines various simple machines and how they are used to make work easier and provides activities using wheels, levers, pulleys, screws, and more.
Notes: Includes index.