Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2409
Points per Word
0.000208
Page Count
24
Points per Page
0.020833
Description
This book describes the processes that wear away and create rock, such as weathering, compaction, and cementation, and examines igneous, sedimentary, and metamorphic rock.