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6th, 7th, 8th, 9th, 10th, 11th, 12th


Science, Chemistry, Earth and Space Sciences, Health

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Field Testing for Ozone

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  • In this experiment, students will test the levels of tropospheric ozone present in the air. 
  • Students will perform the experiment, analyze their data, and learn about ways to reduce tropospheric ozone. 
Teaching Tips


  • Students will gather data and see evidence of pollution that affects human health and the environment.
  • The directions for the experiment are well written and easy to follow.

Additional Prerequisites

  • Students should have basic prior knowledge about the atmosphere.
  • Teachers will need to gather materials ahead of time.


  • Students could work in groups for this experiment, pairing students with different strengths.
  • Science classes could explore the reasons for potentially higher levels of ozone during warmer or sunnier weather.
  • For math and statistics lessons, students could calculate other parameters from the data such as the mean, median, and mode.
  • Other resources related to this topic include this article from the American Lung Association on ozone and this StC air pollution unit about air pollution.
Scientist Notes
This resource spotlights a practical way to measure ozone concentration using the Schoenbein chart. The darker the colour of the paper, the more ozone concentration. This is recommended for teaching.
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