. Which layer of the atmosphere absorbs the most significant amounts of ultraviolet light? (Points : 3)
troposphere
stratosphere
mesosphere
thermosphere
2. Which layer of the atmosphere does the space shuttle travel in? (Points : 3)
thermosphere
mesosphere
troposphere
stratosphere
3. The tropopause is best described as which of the following? (Points : 3)
the boundary between the troposphere and the ionosphere
the boundary between the troposphere and the exosphere
the boundary between the troposphere and the stratosphere
the boundary between the troposphere and the mesosphere
4. Which of the following conditions is most important in establishing a temperature inversion? (Points : 3)
a layer of warm air over a layer of cold air
two layers of warm air, one on top of the other
a layer of cold air over one of warm air
two layers of warm air
5. Which of the following can play a central role in forming a temperature inversion? (Points : 3)
the upper mesosphere
ozone layer within the stratosphere
ozone in the troposphere
the ionosphere
6. Most of the weather events that affect our lives occur within which layer of the atmosphere? (Points : 3)
mesosphere
thermosphere
troposphere
stratosphere
7. In which of the following layers is the atmospheric pressure the lowest? (Points : 3)
troposphere
thermosphere
stratosphere
mesosphere
8. Most of earth's atmosphere is composed of which of the following two gases? (Points : 3)
methane and argon
nitrogen and oxygen
nitrogen and carbon dioxide
carbon dioxide and oxygen
9. What is barometric pressure? (Points : 3)
the increase in temperature as elevation increases
the pressure of 1 metric ton of seawater
the pressure the atmosphere exerts on an object
the increase in the weight of the atmosphere as elevation increases
10. A rising barometer indicates which of the following kinds of air masses is approaching? (Points : 3)
warm, dry air mass
cold, wet air mass
hot, wet air mass
cold, dry air mass
11. A falling barometer indicates which of the following air masses is approaching? (Points : 3)
cold, wet air mass
warm, wet air mass
cold, dry air mass
warm, dry air mass
12. Which observation indicates that rain is approaching? (Points : 3)
rising barometer, decreased cloudiness, falling temperatures
rising barometer, increased cloudiness, rising temperatures
falling barometer, increased cloudiness, falling temperatures
falling barometer, increased cloudiness, rising temperatures
13. Which of the following best describes the change in temperature with altitude in the stratosphere? (Points : 3)
temperature stays the same through the whole stratosphere
temperature decreases with altitude
temperature increases with altitude
temperature varies with altitude within the stratosphere
14. Starting from earth’s surface and going up, what is the third layer of the atmosphere? (Points : 3)
mesosphere
exosphere
stratopause
ozone
troposphere
stratosphere
mesosphere
thermosphere
2. Which layer of the atmosphere does the space shuttle travel in? (Points : 3)
thermosphere
mesosphere
troposphere
stratosphere
3. The tropopause is best described as which of the following? (Points : 3)
the boundary between the troposphere and the ionosphere
the boundary between the troposphere and the exosphere
the boundary between the troposphere and the stratosphere
the boundary between the troposphere and the mesosphere
4. Which of the following conditions is most important in establishing a temperature inversion? (Points : 3)
a layer of warm air over a layer of cold air
two layers of warm air, one on top of the other
a layer of cold air over one of warm air
two layers of warm air
5. Which of the following can play a central role in forming a temperature inversion? (Points : 3)
the upper mesosphere
ozone layer within the stratosphere
ozone in the troposphere
the ionosphere
6. Most of the weather events that affect our lives occur within which layer of the atmosphere? (Points : 3)
mesosphere
thermosphere
troposphere
stratosphere
7. In which of the following layers is the atmospheric pressure the lowest? (Points : 3)
troposphere
thermosphere
stratosphere
mesosphere
8. Most of earth's atmosphere is composed of which of the following two gases? (Points : 3)
methane and argon
nitrogen and oxygen
nitrogen and carbon dioxide
carbon dioxide and oxygen
9. What is barometric pressure? (Points : 3)
the increase in temperature as elevation increases
the pressure of 1 metric ton of seawater
the pressure the atmosphere exerts on an object
the increase in the weight of the atmosphere as elevation increases
10. A rising barometer indicates which of the following kinds of air masses is approaching? (Points : 3)
warm, dry air mass
cold, wet air mass
hot, wet air mass
cold, dry air mass
11. A falling barometer indicates which of the following air masses is approaching? (Points : 3)
cold, wet air mass
warm, wet air mass
cold, dry air mass
warm, dry air mass
12. Which observation indicates that rain is approaching? (Points : 3)
rising barometer, decreased cloudiness, falling temperatures
rising barometer, increased cloudiness, rising temperatures
falling barometer, increased cloudiness, falling temperatures
falling barometer, increased cloudiness, rising temperatures
13. Which of the following best describes the change in temperature with altitude in the stratosphere? (Points : 3)
temperature stays the same through the whole stratosphere
temperature decreases with altitude
temperature increases with altitude
temperature varies with altitude within the stratosphere
14. Starting from earth’s surface and going up, what is the third layer of the atmosphere? (Points : 3)
mesosphere
exosphere
stratopause
ozone