Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
3.2
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
452
Points per Word
0.001106
Page Count
24
Points per Page
0.020833
Series
Six Simple Machines
Description
This book uses simple text and photographs showing screws, from their various parts to how these devices are used.