A Lever (How Can I Experiment With Simple Machines)
Publisher: Rourke Publishing
Published: August 2003
Language: eng
Format: Paperback
Number of pages: 32
ISBN-13: 9781589525931
Subjects: Science & Technology - Experiments & Projects; Children: Grades 3-4; Juvenile Nonfiction; Children's 9-12 - Technical; Children's Books/Ages 9-12 Science; Technology - Machinery; Science & Nature - Experiments & Projects