Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
3.6
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1174
Points per Word
0.000426
Page Count
32
Points per Page
0.015625
Description
Engaging text and photographs introduce the three different types of rocks: igneous, sedimentary, and metamorphic.