Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.7
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
6790
Points per Word
0.000147
Page Count
48
Points per Page
0.020833
Description
This book discusses the beauty, formation, and history of sedimentary rocks. These rocks cover 75 percent of Earth's surface.