The Ozone Layer: Importance and the Harmful Effects of Thinning

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

What is required in order for CFCs to break down ozone?

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1. The initial Montreal Protocol of 1987 vowed to reduce CFC production by _____.

2. Select the concentration of ozone that is naturally found in the stratosphere.

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About This Quiz & Worksheet

Ozone, a gaseous molecule of three oxygens, surrounds the earth in what is known as the ozone layer. This quiz/worksheet combo will help you test your understanding of the importance of the ozone layer. Some things you'll be assessed on include what CFCs break down ozone in the presence of, the Montreal Protocol and the reduction of CFCs, and how much ozone is concentrated in the stratosphere.

Quiz & Worksheet Goals

In these assessments you'll be tested on:

  • Identifying what CFCs break down ozone in the presence of
  • The commitment made by the Montreal Protocol treaty to decrease CFC production
  • Identifying how much ozone is concentrated in the stratosphere
  • Recalling why ozone in the troposphere is harmful
  • Identifying what Rowland and Molina won the Nobel Prize for

Skills Practiced

  • Information recall - access the knowledge you've gained regarding the ozone layer
  • Knowledge application - use your knowledge to answer questions about CFCs
  • Interpreting information - verify that you can read information on why ozone in the troposphere can be detrimental and interpret it correctly

Additional Learning

To learn more about the ozone layer, view the associated video lesson called The Ozone Layer: Importance and the Harmful Effects of Thinning. This lesson covers the following objectives:

  • Discover the benefits of ozone
  • Identify what CFCs do to ozone
  • Explore early discoveries regarding CFCs
  • Become familiar with the Montreal Protocol and how it protects ozone
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