Update
11-10-2015
Content Type
Reader
Grade Level
Ninth grade, Tenth grade, Eleventh grade, Twelfth grade
Object Type
PDF
License

This informational text explains the chemistry of the ozone and the effects of high ozone levels in the air people breathe. Students learn how human activities have affected the ozone’s ability to protect the Earth’s surface from harmful solar radiation. A quiz and answers are also included.