Weather

Name: ________________________________________ Student ID Number _______________________

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ESS55: Earth's Atmosphere / Homework #3 (due 4/23/2009)

Multiple Choice

Identify the letter of the choice that best completes the statement or answers the question.

____ 1. In the Northern Hemisphere, this day has the fewest hours of daylight:

a. summer solstice

b. winter solstice

c. vernal equinox

d. autumnal equinox

____ 2. During the winter solstice in the Northern Hemisphere:

a. astronomical winter begins in the Northern Hemisphere

b. the noon sun is overhead at 23.5o

S latitude

c. at middle latitudes in the Northern Hemisphere, this marks the longest night of the year

d. all of the above

____ 3. Which latitude below would experience the fewest hours of daylight on Dec. 22?

a. 60o

S

b. 20o

S

c. 0o

(Equator)

d. 20o

N

e. 60o

N

____ 4. Where are the days and nights of equal length all year long?

a. at 66.5o

b. nowhere

c. at 23.5o

d. at the Equator

____ 5. In the middle latitudes of the Northern Hemisphere on June 22, the sun:

a. rises in the east and sets in the west

b. rises in the southeast and sets in the southwest

c. rises in the northeast and sets in the northwest

d. rises in the northeast and sets in the southwest

e. rises in the southeast and sets in the northwest

____ 6. Which of the following helps to explain why even though northern latitudes experience 24 hours of sunlight

on June 22, they are not warmer than latitudes further south?

a. solar energy is spread over a larger area in northern latitudes

b. some of the sun's energy is reflected by snow and ice in the northern latitudes

c. increased cloud cover reflects solar energy in the northern latitudes

d. solar energy is used to melt frozen soil in the northern latitudes

e. all of the above

____ 7. The sun is directly overhead at Mexico City (latitude 19o

N):

a. once a year

b. twice a year

c. four times a year

d. neverName: ________________________

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