Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.7
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5161
Points per Word
0.000194
Page Count
32
Points per Page
0.03125
Description
Learn about the ways dirt and soil have been used by humans over the centuries, from cave paintings to crop farming, and the exciting prospects for dirt and soil we may see in the future.