Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
3.8
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1313
Points per Word
0.000381
Page Count
32
Points per Page
0.015625
Description
This book describes what happens to a prehistoric sponge after it dies, following its journey in order to understand the rock cycle.