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Rice Air Curriculum - Lesson 4 (Student): The Dual Nature of Ozone - Stratospheric Ozone

Module by: Kavita Venkateswar, Daniel Cohan. E-mail the authors

Overview

Ozone is a gas that is quite interesting because of its dual or “two-sided” nature. Ozone high up in the stratosphere naturally protects Earth from the Sun’s harmful ultraviolet light. However, ozone that forms close to the ground is a major air pollutant. This type of ozone can hurt humans and our surrounding environment.

Today, we will focus on the good ozone, which is called stratospheric ozone. You will learn a lot more about the “bad ozone” air pollution near the ground during Lesson Five.

Ozone

Exercise 1

What does it mean that ozone is “Good up high, Bad nearby”?

Exercise 2

Can you think of another example of something that is good to have in one place, but bad to have somewhere else?

Exercise 3

Label the stratosphere, troposphere, and ozone layer in the diagram.

Figure 1
Figure 1 (Picture 5.png)

Exercise 4

What did you learn about the ozone layer in the video?

Exercise 5

In the map that your teacher showed, where was the ozone hole?

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