Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.7
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1842
Points per Word
0.000271
Page Count
31
Points per Page
0.016129
Series
Simple Science Projects
Description
Provides instructions for making and using a variety of machines, including levers, diggers, cranes, and pulleys.