Assignment #2 The Ozone Layer
Answer each question CSRQ on your own paper in complete sentences. You do not
have to write the question as listed on this page. Select the underlined
word/statement which will take you to the webpage to find the answer.
1. What is the function of the ozone layer?
2. When people are exposed to excess UV radiation what can happen?
3. Why is ozone in the troposphere “bad”?
4. Why is ozone in the stratosphere a good thing?
5. What are CFC’s?
6. How does the chlorine from CFC’s reduce or deplete the amount of ozone in the
stratosphere?
7. What are 3 other ozone eating chemicals?
8. What are countries around the world doing to correct the problem of ozone
depletion?
9. How does ozone depletion affect UV exposure levels?
10. What are 3 things that cause different amounts of UV radiation to reach the
Earth?
11. Explain each level of the UV index rating: low, moderate, high, very high,
extreme.
12. Look up the local UV index for today. Be sure to write down the date that you
collect the information.
13. What are 4 major health problems linked to overexposure to UV radiation.e
14. List 5 sun-wise actions that help protect you from UV radiation damage.
15. Watch the animation of how ozone protects Earth from UV radiation. Use
headphones to hear explanation. Explain this in your own words.