Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3474
Points per Word
0.000288
Page Count
40
Points per Page
0.025
Series
Mission: Science
Description
This book discusses the various types of rock found on Earth and the different ways they are used.