Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1782
Points per Word
0.000281
Page Count
32
Points per Page
0.015625
Description
This book presents a short study of how levers, wheels and axles, pulleys, inclined planes, wedges, and screws work and the importance of these principles in various machines.