Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1785
Points per Word
0.00028
Page Count
40
Points per Page
0.0125
Description
This introduction to simple machines includes levers, wedges, screws, inclined planes, wheels and axles, and pulleys.