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Fill in the Blank


This activity contains 11 questions.

Question 1
1 When we measure air ________, we are measuring the vibrational (or kinetic) energy of the air molecules.
 
density
resonance
pressure
quality
temperature
End of Question 1


Question 2
2 In the list below, the layer of the atmosphere that shields Earth's surface from harmful ultraviolet radiation is the ____________.
 
stratosphere
mesosphere
tropopause
troposphere
ozonosphere
End of Question 2


Question 3
3 Gases such as nitrogen, oxygen, and argon are considered ____________ components of the modern atmosphere.
 
inert
mixed
extremely reactive
variable
stable
End of Question 3


Question 4
4 While ________________ is a naturally occurring gas in Earth's atmosphere, it became a pollution problem only after fossil-fuel burning vehicles became concentrated in urban areas.
 
carbon monoxide
sulfur dioxide
oxygen carbide
sulfur trioxide
chlorofluorocarbons
End of Question 4


Question 5
5 A temperature inversion can be described as a temporary reversal in the __________.
 
tropopause
normal lapse rate
ozone hole
thermosphere
End of Question 5


Question 6
6 Photochemical ____________ is formed when the products of automobile exhaust are exposed to sunlight.
 
sulfur dioxide
smog
oxidation
poisoning
breakdown
End of Question 6


Question 7
7 According to your text, we might describe the next phase in the atmosphere's evolution as the ______________ atmosphere.
 
misanthropic
anthropogenic
final
carbon-based
future
End of Question 7


Question 8
8 Sulfur dioxide in the atmosphere reacts with oxygen to form sulfer trioxide, a highly reactive gas that, in the presence of water, forms ________ acid.
 
acetic
hydrochloric
sulfuric
hydrofloric
carbonic
End of Question 8


Question 9
9 __________ consist(s) of dirt, dust, soot, and ash from industrial and natural sources.
 
Volatile organic compounds (VOCs)
Photochemical smog
Particulate matter (PM)
Chlorofluorocarbons (CFCs)
Temperature inversions
End of Question 9


Question 10
10
Open Hint for Question 10 in a new window		 Ninety percent (90%) of the total mass of the atmosphere can be found in the ___________.
 
heterosphere
troposphere
stratosphere
mesosphere
ozonosphere
End of Question 10


Question 11
11
Open Hint for Question 11 in a new window		 Correctly apply the normal lapse rate (6.4 C degrees per 1000 meters) to the following scenario. Assuming a surface temperature of 40 degrees C (over 100 degrees F!), what will the temperature be 10 kilometers (6 miles) above the surface?
 
24 degrees C (76 degrees F)
40 degrees C (104 degrees F)
-40 degrees C (-40 degrees F)
104 degrees C (220 degrees F)
-24 degrees C (-12 degrees F)
End of Question 11






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