Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
6230
Points per Word
0.000161
Page Count
48
Points per Page
0.020833
Series
Target Earth
Description
This book describes the ecology of four environments--the land, fresh water, ocean, and atmosphere--and gives exercises in nature observation.