WorksheetsThe Air We Breathe
Total questions: 10
Worksheet time: 20mins
Name
Class
Date
1.
Air pollution is...
a)
loud noises
b)
too many birds in an area
c)
anything in the air that can hurt the environment or make people sick
2.
Pollutants such as dust, ash, and pollen that are put directly into the air are called...
a)
primary pollutants
b)
secondary pollutants
3.
Pollutants that form when pollutants react with each other or other substances in the air are called...
a)
secondary pollutants
b)
primary pollutants
4.
Smog forms when...
a)
forests are cut down
b)
people drive electric cars
c)
ozone mixes with other pollutants
5.
The main source of human-caused air pollution in the United States is ...
a)
factories and power plants that burn coal, oil, and gas
b)
businesses that use chemicals
c)
motor vehicles such as cars, trucks, buses, planes, and trains that give off exhaust
6.
Acid precipitation is rain, sleet, or snow that contains acids from air pollution.
a)
True
b)
False
7.
When we burn fossil fuels such as coal, oil, and gas, pollutants are released into the air that combine with water to form acids in the atmosphere.
a)
True
b)
False
8.
Ozone is a pollutant when...
a)
it is near the ground.
b)
it is in the stratosphere
9.
The ozone layer that absorbs harmful ultraviolet radiation from the sun was damaged by ...
a)
CFCs
b)
sulfur dioxide
c)
carbon monoxide
d)
carbon dioxide
10.
Air pollution can be reduced by ...
a)
new laws
b)
technology
c)
people changing their lifestyles
d)
all three
100 %
