Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.8
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
10667
Points per Word
0.000187
Page Count
80
Points per Page
0.025
Description
This book describes the development of geological theory from ancient Greek philosophers to the discovery of plate tectonics, which explains the forming of geological structures.