20 Questions about the Ozone Layer Computer Activity2017
Watch 18 minute Video Clipfrom World Meteorological Organization at
Read the background info about ozone at the following WMO site and look at the images from various years:
Please use your own paper to answer the following. All questions may be accessed by clicking on this link and clicking on each question at this NOAA document TwentyQuestions and Answers About the Ozone Layer 2010 update:
Section I: Ozone in Our atmosphere
Q #3 Why do we care about ozone? Explain.
Q #5 How is ozone measured in the atmosphere? In what units is it measured?
Section II: The Ozone Depletion Process
Q #6 What are the principal steps of ozone depletion? Explain each. What are CFC’s? What are ODS’s?
Q#7 What emissions from human activities contribute to ozone depletion? What’s the difference between an ODS and other halogen source gases?
Q #10Why is there an “ozone hole” over Antarctica if ozone-depleting substances are a present throughout thestratosphere?
Section III: Stratospheric Ozone Depletion
Q #11 How severe is the depletion of Antarctic Ozone?
Q#12Is there depletion of the Arctic ozone layer? Explain and contrast it to the Antarctic.
Q #13 How large is the depletion of the global ozone layer? Explain what is responsible for the recovery.
Section IV: Controlling Ozone Depleting Substances
Q#16 Has the Montreal Protocol been successful in reducing ODS in the atmosphere? Explain.
Section VI: Implications of Ozone Depletion
Q#17 Does depletion of the ozone layer increase in ground-level UV radiation? Explain.
Section VII: Stratospheric Ozone in the Future
Q#20 How is ozone expected to change in the coming decades?
Pick 2 other questions from the document which you want to or need to know more about. State each of the questions with its number and answer.
Go to this NASA site to answer this question: What’s the relationship between ozone and climate change? Explain.
What was the state of the ozone in 2012 and why? To find out, go to
Other sites to explore for more info and images:
Detailed info on CFC’s with common examples and their alternatives, videos and diagrams of how they destroy ozone, interesting historical info, go to
Basic Overview of Ozone: including a section on formation and destruction of ozone with animations and explanation at
Ozone Hole Watch Antarctica - Latest and Basic info: Has ozone maps, facts including chemistry and detailed animations.
What caused the Arctic Ozone Hole of 2011?
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