Lesson 13:

Air and Water Quality





If there are two things that are essential to humans and other living creatures, it's clean water and air. But with pollution of these natural resources on the rise, it is becoming increasingly important to find ways to cut down on man-made pollutants in the environment. In this lesson, you will learn how you can affect air and water quality. As well, you will learn how various strengths of acids and bases can affect air and water quality.

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In this lesson, you will:

  • learn about the tragedy in Walkerton, Ontario, that involved their water supply
  • learn about air quality and human health as well as how to identify acids and bases based on their pH
  • understand the pH scale and why it is important for scientists to measure it in our environment



Key terms for this lesson:

  • acids
  • bases
  • pH scale