Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.4
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2435
Points per Word
0.000205
Page Count
32
Points per Page
0.015625
Description
This book explores the design and function of electric, magnetic, and motion-powered toys, introduces the six simple machines, and explains how they use forces and motion to get a job done.