Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.7
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1849
Points per Word
0.00027
Page Count
24
Points per Page
0.020833
Series
Rock Science
Description
Metamorphic rocks are formed from other rocks. They make up 27 percent of Earth's crust. This book introduces the fundamentals of geology.