Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.9
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
8360
Points per Word
0.00012
Page Count
96
Points per Page
0.010417
Description
This book uses text and experiments to provide information about the air around us, and about pollution and other problems related to our atmosphere. The coauthor is Robert C. Mebane.