It's Our Air - 1-6 Making and Using Ozone Indicators

ESSENTIAL QUESTIONS:
How can we find out if there is ozone in the air around our school?
Where on campus can we find the most ozone?

TIME NEEDED: 90 minutes

MATERIALS:

TOPICS: ground-level ozone

TYPES: data collection, data analysis

NC ESSENTIAL STANDARDS for Earth/Environmental Science:

EEn.2.5.1. Summarize the structure and composition of our atmosphere
EEn.2.5.5 Explain how human activities affect air quality

MAKING AND USING OZONE INDICATORS ACTIVITY

In the hands-on activity, students check for the presence and relative amounts of ozone in the air using Schoenbein strips they make with filter paper, cornstarch, and potassium iodide.


MAKING AND USING OZONE INDICATORS - TEACHER TO TEACHER TIPS

The quick video below has tips for doing this activity from Mark Townley, an award-winning, North Carolina high school teacher. Mark helped develop It’s Our Air and has used each of these activities with his students.

 


 

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OTHER MODULE 1 (AIR POLLUTANTS & THEIR SOURCES) ACTIVITIES AND VIDEOS

1-1 What Is Air?

1-2 Combustion and Combustion Equations 

1-3 Parts Per Million

1-4 The Criteria Pollutants and a Closer Look at Ozone 

1-5 NC & Local Sources of Air Pollution

1-6 Making and Using Ozone Indicators (this activity)

1-7 Sampling Particulate Matter