(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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Pollutant released directly into the air
Primary pollutant
1% of air
Other gases
Pollution that comes from one source
Point source pollution
Small, visible particles from fires and unpaved roads
Particulates
Body part most affected by air pollution
Lungs
Rain or snow with lower than normal pH
Acid precipitation
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21% of air
Oxygen
The addition of any substance that has harmful or toxic effects to air
Air pollution
Colorless, odorless gas from vehicles
Carbon monoxide
Example of point source pollution
Factories
Secondary pollutant in troposphere coming from vehicle emissions
Ground-level ozone
pH of acid rain
4.0
Heavy metal in leaded gasoline and some paint
Lead
Protects us from UV rays in the stratosphere
"Good" ozone
78% of air
Nitrogen
Group of gases with red-brown color from fertilizer and cars
Nitrogen oxides
Forms from chemical reactions
Secondary pollutant
pollution from many sources
Nonpoint source pollution
Clear gas with rotten egg smell from coal power plants
Sulfur dioxide