Question 1

The gases of our atmosphere, especially water vapor and carbon dioxide, act very much like __________ in a greenhouse.
Answer glass
oceans
trophosphere
isotherms

Question 2

The two most important heat absorbing gases in the lower atmosphere are:
Answer oxygen and nitrogen.
water vapor and carbon dioxide.
argon and oxygen.
ozone and chlorofluorocarbon.

Question 3

The transfer of heat through matter by molecular activity is:
Answer conduction.
convection.
radiation.
transpiration.

Question 4

Which of the following is the reason the annual temperature range at most latitudes in the Southern Hemisphere is much smaller than that in the Northern Hemisphere?
Answer Earth is closest to the Sun during the Southern Hemisphere summer.
Rainfall and cloudiness are greater in the Southern Hemisphere.
A greater proportion of the land surface is mountainous in the Southern Hemisphere.
There is a greater percentage of water surface in the Southern Hemisphere.

Question 5

On average, how much of the Sun's energy that is intercepted by the Earth is reflected back into space?
Answer 10%
20%
30%
50%

Question 6

Under what circumstances could the relative humidity exceed 100% without producing condensation in the air?
Answer When the dew point is higher than the air temperature
When the air is perfectly dry
When the water vapor is composed of "heavy" water
When there are no condensation nuclei

Question 7

On which of the following days does the length of daylight get progressively longer going south from the equator?
Answer June 21
March 21
September 21
December 21

Question 8

Which of the following statements is TRUE?
Answer The higher the temperature of a radiating body, the longer the wavelengths of maximum radiation
The amount of water vapor is consistent throughout the Earth's atmosphere at about 6% by volume
Earth's atmosphere ends quite abruptly at an altitude of 40 kilometers
Tiny solid and liquid particles suspended in the atmosphere are collectively called aerosols

Question 9

Which of the following will NOT cause air to become more unstable?
Answer Intense solar heating which warms the air from below
Forceful lifting of air
Subsidence of an air column
Upward movement caused by general convergence

Question 10

The process by which water vapor changes directly to the liquid state is called:
Answer evaporation.
deposition.
condensation.
melting.

Question 11

Why is the vertical movement of air critical to the formation of clouds and precipitation? How is this vertical movement achieved? What roles do adiabatic temperature changes play in these processes?

Answer

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Question 12

On a given day in the winter in St. Louis, Missouri it began snowing in the morning. The snow changed to rain by noon, later in the afternoon sleet was falling which turned to snow, and by evening rain was freezing on bridges and roadways. Explain how such a sequence of precipitation might occur.
Answer
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