Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.8
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3662
Points per Word
0.000273
Page Count
32
Points per Page
0.03125
Series
Science Files: Materials
Description
This book discusses the differences between rocks and minerals, their formation and composition, how they are mined, how they are used now, and how they may be used in the future.