Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5457
Points per Word
0.000183
Page Count
32
Points per Page
0.03125
Description
This book explores Earth from its core to its crust, discussing what happens in each layer and detailing the many ways Earth's surface has changed over billions of years.