Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1343
Points per Word
0.000372
Page Count
45
Points per Page
0.011111
Series
New True Books
Description
Studies the important role of atmospheric ozone in protecting the Earth, and tells how man-made chemicals are causing worrisome holes in the polar ozone layers.