Things That Balance (Construction Forces)
Publisher: Rourke Publishing
Published: January 31, 2007
Language: eng
Format: Library Binding
Number of pages: 24
ISBN-13: 9781600441943
Subjects: Science & Nature - Physics; Technology - Machinery; Concepts - General; Juvenile Nonfiction; Children's Books/Ages 4-8 Nonfiction; Equilibrium; Juvenile literature; Levers; Mechanical movements; Children: Grades 1-2