New Haven Public School District
Grade 6 

 Core Activities
    Air Pollution - What's it all about?
    Criteria Pollutants
    Smog City Modeling
    Particulate Matter
    Weathers Role
    Air Pollution - What did you learn?
  Online 
 Professional 
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Smog City Modeling
-> Which man-made contributing factor has the most influence over ground level ozone production?

In this activity, you will create an experiment and use the Smog City simulator to run the experiment. You will need a computer with internet access and a copy of the Student Worksheet.

Procedure

  1. Access the Smog City web site (http://www.smogcity.com/).
     
  2. Click "Run Smog City” from the left-side navigation bar.
    • NOTE: Smog City is a JAVA Applet that runs in your Microsoft Internet Explorer or Netscape Navigator browser. For offline use, follow the Download link for instructions on downloading Smog City to your computer.
       
  3. Once Smog City loads to your computer, take note of the following areas of Smog City, including Weather Condition, Population Level, and Emissions Levels. All areas have “clickable” choices. Mouse-over or click on the choices.
    • NOTE: in the status bar at the bottom of the your browser, there is information about each choice when the mouse is hovering over one of the settings.
       
  4. Click the Red “Reset” button.
     
  5. Look at all the choices again. Notice how each of the choices are pre-set to a certain level. These are called the default settings. In the chart on your student worksheet (see example below), circle or highlight the default setting for each choice. The first setting, Maximum Daily Temperature, has already been completed for you.

    Area Name:

    Choices Included in the Area:

    Select Weather Conditions

    Maximum Daily Temperature
    80ºF - 90ºF - 100ºF - 110ºF - 120ºF

    Inversion Layer
    Low inversion - High inversion - No inversion

    ...

  1. Click the Red “Reset” button to make sure that the defaults are set.
     
  2. Click on the Green “Start” button. Record what happens on the Student Worksheet.
    Settings Health Effects at Peak Ozone Level
    • Default
     
  3. Turn all of the Emissions Levels dials (Cars and Trucks, Off Road, Industry, and Consumer Products) down to 1. Leave all other choices at the default settings. Click the Green “Start” button. Record what happens on the Student Worksheet (see HELP for more information).
     
  4. Turn only the Cars and Trucks dial up to 3. Leave all other settings alone as illustrated in the chart below.
     
  5. Click the Green “Start” button and record what happens on the Student Worksheet. Continue to change the settings according to the Student Worksheet and record the results in the table.
    Cars &
    Trucks
    Off Road Industry Consumer
    Products
    Health Effects at Peak Ozone Level
    1 1 1 1  
    3 1 1 1  
    5 1 1 1  
    1 3 1 1  
    1 5 1 1  
  6. Click on the Red “Reset” button.

  7. Again, turn all of the Emissions Levels dials down to 1. Now, turn up the Industry dial up to 3, leave all other settings alone, and click on the Green “Start” button. Record what happens on the Student Worksheet.
     
  8. Continue the same procedure with the Industry dial (increase to 5) and Consumer Products. Answer the questions on the Student Worksheet.

 

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