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1 ) The wavelengths of radiation emitted by Earth are ________. A) shorter than

ID: 480 • Letter: 1

Question

1 ) The wavelengths of radiation emitted by Earth are ________.

A) shorter than those emitted by the Sun

B) longer than those emitted by the Sun

C ) about the same as those emitted by the Sun

D) none of these


2 ) The storage of heat in the lower layer of the atmosphere produced by certain heat absorbing gases is called the ________.

A) photon effect

B) greenhouse effect

C ) adiabatic effect

D) grey-body effect


3 ) Which one of the following statements is true about the equinoxes?

A) Days and nights are equal in length everywhere.

B) The Sun's vertical rays are striking either the Tropic of Cancer or the Tropic of Capricorn.

C ) They occur in June and December.

D) The length of daylight at the Arctic and Antarctic Circles is 24 hours.


4 ) The lowest layer of the atmosphere is the ________.

A) mesosphere

B) stratosphere

C ) ionosphere

D) troposphere


5 ) Which one of the following is the most abundant gas in the atmosphere?

A) argon

B) oxygen

C ) carbon dioxide

D) nitrogen


6 ) Ozone is concentrated in the ________.

A) troposphere

B) ionosphere

C ) stratosphere

D) mesosphere


7 ) When using a psychrometer and the two temperatures read nearly the same, you can conclude that ________.

A) a change in temperature is likely

B) your instrument reading is accurate

C ) the dew point temperature is very low

D) the air has a high relative humidity


8 ) We are likely to have our highest relative humidity ________.

A) around midnight

B) during midafternoon

C ) about sunrise

D) at noon


9 ) Under what circumstances could the relative humidity exceed 100% without producing condensation in the air?

A) when there are no condensation nuclei

B) when the dew point is higher than the air temperature

C ) when the air is perfectly dry

D) when the water vapor is composed of "heavy" water


10) The dew point is the temperature at which ________.

A) cumulus clouds change to cumulonimbus clouds

B) water vapor condenses to a liquid

C ) hailstones are formed

D) water in the liquid state changes to vapor


11) Thunder and lightning are associated with these clouds.

A) cirrus

B) cirrostratus

C ) cumulonimbus

D) altostratus


12) This term is used to describe clouds found in the middle height range.

A) cumulus

B) cirrus

C ) stratus

D) alto


13) The process of converting a liquid to vapor is termed ________.

A) sublimation

B) condensation

C ) melting

D) evaporation


14) The force that generates wind is ________.

A) centrifugal force

B) gravity force

C ) pressure gradient force

D) Coriolis force


15) High air pressure systems are usually associated with ________.

A) clear weather

B) descending air

C ) diverging winds

D) all of these


16) If "fair" weather were approaching, the pressure tendency would probably be ________.

A) steady

B) falling

C ) rising

D) none of these

Explanation / Answer

1.B) longer than those emitted by the Sun

2. B) greenhouse effect

3.A) Days and nights are equal in length everywhere.

4.A) troposphere

5.D) nitrogen

6.C ) stratosphere

7.D) the air has a high relative humidity

8.C ) about sunrise

9.A) when there are no condensation nuclei

10.B) water vapor condenses to a liquid

11.C ) cumulonimbus

12.D) alto

13.D) evaporation

14.C ) pressure gradient force

15.D) all of these

16.C ) rising