Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.2
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
11733
Points per Word
0.00017
Page Count
128
Points per Page
0.015625
Series
DK Adventures
Description
This book presents general information about rocks, minerals, and gems, covering how they form, some different types, extraterrestrial rocks, and the unusual characteristics of some rocks.