EARTH'S ATMOSPHERE
LAYERS OF THE ATMOSPHERE
AIR QUALITY
AIR PRESSURE
MISC.
100
the most abundant gas in the atmosphere
nitrogen
100
the layer where weather is found
troposphere
100

What does CFC stand for

chlorofluorocarbons 

100

weather associated with low pressure

rain, storms

100
amount of mass in a given volume is this
density
200
the gas that makes up about 21% of the atmosphere
oxygen
200
where the ozone layer is found
stratosphere
200

Harmful substances in air, water, or soil

pollutants

200
instrument that measures air pressure
barometer
200
this is the distance above sea level
altitude
300
excess of this gas contributes to global warming
carbon dioxide
300
the "hot layer" of the atmosphere
thermosphere
300

What are the cause of CFC gases in the atmosphere

burning fuels/wood, aerosol sprays, air conditioners and refrigerators

300
this happens to air pressure as altitude increases
decreases
300
this is also known as Northern lights
aurora borealis
400
gas in the atmosphere that varies from place to place
oxygen
400
the layer of electrically charged particles
ionosphere
400

What gives off NO2

Aircraft

400
as the density of air increases, the air pressure does this
decreases
400
this is made up of 3 atoms of oxygen
ozone
500
condition of the earth's atmosphere at a particular time and place
weather
500

the "coldest" layer of the atmosphere

Mesosphere

500

What can we do to change the air quality?

ride a bicycle, car pool, walk, tell your families to check for CFC's in their air conditioners and refrigerators

500
is the device that means "without liquid"
aneroid
500
gaseous form of H2O
water vapor
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