1.
when does the autumnal equinox occur in the southern hemisphere?
(1 point)

june 21march 21september 21december 21

2.
on which date does the antarctic circle have 24 hours of daylight?
(1 point)

june 21march 21september 21december 21

3.
when energy is transferred to air, what happens to the particles of air?
(1 point)

they move slower. they move faster. they cool down. none of the above

4.
electromagnetic waves travel through space at a speed of
(1 point)

3,000 kilometers per second30,000 kilometers per second300,000 kilometers per second3,000,000 kilometers per second

5.
a metal spoon becomes hot after being left in a pan of boiling water. this is an example of
(1 point)



6.
which of the following best describes the primary wavelengths of radiation emitted by earth’s surface?
(1 point)

longer than those emitted by the sunshorter than those emitted by the sunabout the same as those emitted by the sunnone of the above

7.
the two most important heat-absorbing gases in the lower atmosphere are
(1 point)

oxygen and nitrogenozone and chlorofluorocarbonargon and hydrogenwater vapor and carbon dioxide

8.
which of the following is associated with weak light rays that travel in different directions?
(1 point)



9.
which of the following is true?
(1 point)

land heats less rapidly than water. land heats more rapidly than water. land reaches higher temperatures than water. both b and c

10.
why are annual temperature ranges in the southern hemisphere generally smaller than those in the northern hemisphere?
(1 point)

earth is closest to the sun during the southern hemisphere summer. less area is covered by desert in the southern hemisphere. there is a greater percentage of water surface in the southern hemisphere. there is a greater proportion of mountainous land in the southern hemisphere.

ce_earthscib_figure17-1_resized
11.
based on figure 17-1, what is likely true of city b?
(1 point)

its temperature is strongly influenced by prevailing ocean winds. it has cool summers and mild winters. it is located on a leeward coast. both a and b

12.
at night, clouds act as a blanket by
(1 point)

absorbing incoming radiationabsorbing outgoing radiationreflecting incoming radiationreflecting outgoing radiation

13.
the process by which water vapor changes directly to a solid is called
(1 point)



14.
what is true about warm, saturated air?
(1 point)

it contains less water vapor than cold air. it contains more water vapor than cold air. it contains the same amount of water vapor as cold air. it does not contain any water vapor.

15.
most fogs are the result of which of the following?
(1 point)

radiation coolingthe movement of air over a cold surfaceorographic liftingboth a and b

16.
in which direction is air pressure exerted?
(1 point)

of the above

17.
the deserts of the sahara and australia are associated with the
(1 point)

equatorial lowsubtropical highsubpolar lowpolar high

18.
a sea breeze usually originates during the
(1 point)

evening and flows toward the landday and flows toward the landevening and flows toward the waterday and flows toward the water