Machines
Subtitle: push and pull
By: by Linda Ward Beech
Contributors: National Geographic Society (U.S.)
Series: National Geographic science; Become an expert. Pushes and pulls; National Geographic science; National Geographic become an expert
Publisher: National Geographic School Pub.
Published: 2011
Place of publication: [Monterey, Calif.]
Language: eng
Number of pages: 32
ISBN-13: 9780736255493
Subjects: Force and energy; Juvenile literature; Machinery
Notes: Includes index.

490 Lexile.