Week 1
Week 2
Week 3
Week 4
Week 5
Week 6
Week 7
Week 8
Week 9
Week 10
Week 11
Week 12
Week 13
Week 14
Week 15
Week 16


Week 11: Ozone
Weeks 10, 11, and 12 make up the third three-week cycle of the course. Currently, you are in Week B: Teacher as Model Builder.

Using your team's problem statement, build an Earth System Science model. Look at the sample model and work with your teammates to build evidence for the relationships among the spheres and with the event.

Assignment

Team: (by midnight Sunday)

  • Review the sample ESS analysis.
  • Review the ESS Model-Building Rubric.
  • Using your team's original or revised problem statement, build an ESS model. Post your best ideas in Teacher as Model Builder space in the Classroom.
  • Read your teammates' analyses.
  • Develop a team analysis.
  • As a team, develop support for the relationships with evidence from your reading and research.
  • Submit your team's analysis to the Portfolio in the Classroom.

Need more detailed instructions? Click here


Readings

You will want to locate other resources locally and on the Internet to supplement these. Post the resources you find in the Resource Space in the Classroom.

Welcome to NASA's Earth Science Enterprise: Educational CD-ROM. Under the Air section: "Atmospheric Chemistry" pp. 1-15.

Global System Science: Student Guides. Ozone: Global Efforts to Recover Ozone, Chapter 9, pages 90-99. http://www.lhs.berkeley.edu/GSS

Global System Science: Student Guides. Ozone: Closing the Ozone Hole, page 51. http://www.lhs.berkeley.edu/GSS

Note: When you get to the Global System Science site, register if you are a new user. Then go to the free download section to find the readings.


Web Sites

Total Ozone Mapping Spectrometer This site from NASA's Goddard Space Flight Center allows you to access realtime ozone data and download animations, graphics, and images of ozone depletion and the Antarctic ozone hole. Select "Teachers" to view lesson plans on this subject.

Stratospheric Ozone and Human Health Project Displays reports from the United Nations Environment Program and the World Meteorological Organization on the environmental effects of ozone depletion. Contains reports from 1994, 1996, 1997, and 1998.

The Ozone Depletion Phenomenon What is ozone? How did researchers discover its role in Earth's atmosphere and the devastating consequences of its depletion? This article from the National Academy of Sciences attempts to answer these and other related questions.


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