Ozone Layer

The best of intentions can have negative results. Learners explore the history of the use of chlorofluorocarbons and their effects on the ozone layer. They discover how widely the compound was used because of its unique chemical...

Good site for material on the people involved in inventing CFCs and those who discovered its effects on the ozone layer.

Scientists discovered a hole in the ozone layer in 1980, and by 2000, the hole was three times the size of the United States. Through global efforts, scientists discovered the cause and worked together to get countries to implement a...

Students analyze ozone data.  In this atmosphere lesson, students will use a NASA resource to gather data for different regions of the Earth.  Students will then create a graph for their data and answer related questions. 

This video segment adapted from NASA's Goddard Space Flight Center gives a detailed explanation of the catalytic chemical process that has led to the creation of the ozone hole. [5: 04]

[Free Registration/Login Required] Mainly a thematic unit to give teachers a background in CFCs and ozone depletion, this site has a wealth of information for student research.

A detailed overview of the ground-level ozone, tropospheric ozone, with explanations about how it is called the bad ozone and how it varies day to day. All information is reinforced through pictures, graphs, and learning activities....

This site provides information and activities for classes to learn more about ozone depletion and UV radiation.

This video segment adapted from Interactive NOVA profiles two scientists who were surprised in 1984 to discover a hole in our atmosphere's ozone layer as big as the United States. [3:47]

In this organic compounds activity, students read about the development of chlorofluorocarbons and the breakdown of this compound in the atmosphere. Students complete 2 short answer questions.