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- 1. Multiple Choice
What happens to most solar radiation when it reaches the surface of the earth?
It reflects back
It's collected in solar panels
It's absorbed by land, water, and plants
It disperses throughout the earth's atmosphere
- 2. Multiple Choice
About 78% of the Earth's atmosphere is comprised of _____.
oxygen
carbon dioxide
argon
nitrogen
- 3. Multiple Choice
Which of these in NOT one of the reasons the atmosphere is important?
it is where weather occurs
it is where you can find the aurora borealis, beautiful lights in the night sky
it contains gases needed for photosynthesis
without it, sound could not travel to our ears
- 4. Multiple Choice
Which two layers of the atmosphere contain air as warm as 25℃?
Troposphere and Thermosphere
Troposphere and Mesosphere
Thermosphere and Mesosphere
Stratosphere and Thermosphere
- 5. Multiple Choice
According to this image, the coldest temperatures in the atmosphere occur at an altitude of about ___.
10 km
35 km
65 km
80 km
- 6. Multiple Choice
What would happen if there were no atmosphere?
temperatures would be super cold all the time and the ice ages would return
temperatures would be super cold at night and super hot during the day
temperatures would be super hot all the time
ultraviolet radiation from the Sun would fry all life on Earth
- 7. Multiple Choice
The fact that global warming has only been a problem for the last 100 years or so tells us that...
prior to 100 years ago, the greenhouse effect on the earth was too minor to be detected
the earth moved significantly closer to the sun about 100 years ago
people have only been pumping large quantities of greenhouse gases into the atmosphere for 100 years or so
the movement of glaciers was a major problem for people 100 years ago.
- 8. Multiple Choice
How can cutting down trees increase global warming?
trees use carbon dioxide from the air to conduct photosynthesis
trees provide shade, which counteracts global warming
trees absorb the sun's energy without radiating it back into the atmosphere
none of the above
- 9. Multiple Choice
Greenhouse gasses can be made by ___.
burning fossil fuels in our cars
burning forests
with large-scale agriculture
all of these
- 10. Multiple Choice
Earth's greenhouse effect and an actual greenhouse are similar. Which of the following points out a difference between the two?
heat escapes from a greenhouse more easily than it does from Earth's atmosphere
actual greenhouses are cold in winter, while the greenhouse effect has led to warm winters across the earth
the glass in a greenhouse traps heat, while greenhouse gases in the atmosphere absorb and recycle heat
there is no significant difference; both work pretty much the same way
- 11. Multiple Choice
Which position on the map indicates an air mass that is warmer and drier?
A
B
C
D
- 12. Multiple Choice
Which of the following carries air that is typically warmer and more humid?
mT
mP
cT
cP
- 13. Multiple Choice
Humidity is:
a boundary separating two masses of air of different densities.
a body of air with horizontally uniform temperature, humidity, and pressure.
a quantity representing the amount of water vapor in the atmosphere.
none of the above.
- 14. Multiple Choice
What type of pressure system forms clouds, precipitation and sometimes stormy conditions?
high pressure
low pressure
no pressure
stationary pressure
- 15. Multiple Choice
Why does warm air rise?
it is less dense than cool air
it is more dense than cool air
it is heavier than cool air
it particles have less energy than cool air
- 16. Multiple Choice
The effects of global warming include:
changes in the mating and migration of animals
melting ice caps and glaciers
prolonged growing seasons
all of the above
- 17. Multiple Choice
Which direction do the trade winds blow?
left to right across the globe
west to east
east to west
south to north across the globe in circular patterns
- 18. Multiple Choice
A large body of air that has the same properties as the area over which it is formed is known as a(n) ___.
front
air mass
humidity
trade wind
- 19. Multiple Choice
__________ is a boundary separating two masses of air of different densities, and is the principal cause of meteorological phenomena outside the tropics.
air mass
weather front
trade wind band
westerlies band of wind
- 20. Multiple Choice
The average global temperature during the glacial periods was _____ less than the current average global temperature.
10.5 degrees Celsius
82 degrees Celsius
2.0 degrees Celsius
5.5 degrees Celsius
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