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GEOGRAPHY 101
Earth Science
EXAM #3
Fall, 2005
Multiple (1.5 points each)
Choose the best answer and circle it or simply fill in the blank.
What is the most abundant gas in the atmosphere?
If you are using a sling psychrometer and the two temperature readings are the same,
what can you can conclude about relative humidity?
Clouds that resemble thin wispy fibers are called:
cumulus clouds
cirrus clouds
stratus clouds
low clouds
The earth’s greenhouse effect is necessary for our survival. The earth’s greenhouse
effect is stronger when there is more __________________ in the atmosphere.
Another name for specific humidity is:
The Coriolis Effect on earth causes objects in the northern hemisphere to bend to the
_________________ of their path of motion.
Globular individual cloud masses that are often described as having a cauliflower or
cotton ball structure are called:
cumulus clouds
cirrus clouds
stratus clouds
dry clouds
The change of state from a gas to a liquid is referred to as:
If the air temperature is 25OC and the dew point is 25OC, then the relative humidity
would be
The temperature at which a parcel of air will be completely saturated is called
the______________________ temperature
In the northern hemisphere, the winds associated with a low pressure system blow:
clockwise toward the center
clockwise away from the center
counterclockwise toward the center
counterclockwise away from the center
High pressure systems are usually associated with:
descending air
rising air
rainy weather
cloudy weather
Low pressure systems are usually associated with:
descending air
rising air
clear weather
deserts
Polar regions generally experience:
low pressure
high pressure
cloudy weather
rainy weather
An air mass from the Gulf of Mexico is called a ____ air mass.
cP
cT
mP
mT
A cT air mass is:
cold and dry
cold and wet
warm and dry
warm and wet
An mP air mass is:
cold and dry
cold and wet
warm and dry
warm and wet
On a weather map, ______________ fronts are shown by a line with triangular points
on one side.
Which of the following is considered to be a boundary between two different air
masses?
warm front
cold front
both A and B
none of the above
The dome of sea water that comes ashore when a hurricane hits the coast is called a
________________________
Hybrid Electric vehicles use ______ to generate electricity for later use.
hydrogen fuel cells
forward motion during braking
solar panels
a gasoline engine
True - False
Circle the T for true and F for false (1 point each).
T
F
If the temperature rises and the amount of moisture in the air
remains unchanged, the relative humidity will increase.
T
F
Low pressure areas characteristically have winds blowing toward their
center.
T
F
According to your textbook, chemical companies worldwide have
been banned from selling the refrigerant compound that releases
ozone-depleting chlorofluorocarbons (CFC’s) into the
atmosphere.
FILL-INS (one point each)
Air pressure exists at the earth’s surface due to __________________
The earth’s atmosphere is warmest at the surface of the earth because
_________________________________________________
_________________________________________________
The wind blows because:
_________________________________________________
Using the relative humidity table provided, calculate the following (1/2 point each):
dry-bulb temperure = 69F
wet-bulb temperature = 61F
relative humidity = ________ %
_____________
dry-bulb temperure = 58F
wet-bulb temperature = 47F
relative humidity = ________ %
_____________
dry-bulb temperure = 85F
wet-bulb temperature = 69F
relative humidity = ________ %
Use this table to fill in the blanks below (1/4 point for each blank).
Temperature
(F)
_____________
Grams of Water
per kg of air
(potential)
-40 - - - - - - - - - - - - - - - - -22 - - - - - - - - - - - - - - - - -4 - - - - - - - - - - - - - - - - 14 - - - - - - - - - - - - - - - 32 - - - - - - - - - - - - - - - 41 - - - - - - - - - - - - - - - 50 - - - - - - - - - - - - - - - 59 - - - - - - - - - - - - - - - 68 - - - - - - - - - - - - - - - 77 - - - - - - - - - - - - - - - - 86 - - - - - - - - - - - - - - - - 95 - - - - - - - - - - - - - - - - 104 - - - - - - - - - - - - - - - - -
0.1
0.3
0.75
2
3.5
5
7
10
14
20
26.5
35
47
Temperature (F)
_____________
Water Vapor
Actual
Max Capacity
Relative Humidity
______________
A.
59
5g / kg
____ g / kg
____ %
B.
77
2g / kg
____ g / kg
____ %
C.
95
7g / kg
____ g / kg
____ %
D.
41
2g / kg
____ g / kg
____ %
What is the dew point for each of the four conditions above?
A.
_______ F
B.
_______ F
C.
_______ F
D.
_______ F
Define Geography (1 point)
_________________________________________________________________
_________________________________________________________________
On the global circulation model (next page), please do the following:
Place an arrow on the tip of each of the angled lines to indicate the
direction of surface winds. (4 points)
Place an arrow on the tip of each of the circulation cells on the right to indicate
rising or falling air. (3 points)
Circle either High or Low to indicate high or low pressure at each of the seven
locations. (1.75 points)
On the following diagram, match the names in the list with their appropriate location.
Some of the items in the list will not be used. (3.5 points)
Equatorial Highs
Equatorial Lows
Sub-Tropical Highs
Sub-Tropical Lows
Polar Highs
Polar Lows
Sub-Polar Highs
Sub-Polar Lows
SHORT ANSWER
The SC4 Veggie Car is better for the environment than a regular car. The reason
for this has something to do with the carbon cycle. What is the reason? (3
points)
_________________________________________________________
_________________________________________________________
_________________________________________________________
Identify one reason why hydrogen fuel cell vehicles are not being produced by
the major automakers. (2 points)
_________________________________________________________
_________________________________________________________
ESSAY QUESTIONS
Describe the monsoons of India. Why do they receive so much rain during part of the
year and so little rain during the rest of the year? A diagram may be helpful, but is not
necessary. (8 points)
Describe a mid-latitude cyclone. Please draw and describe a sequence of diagrams
showing the life of a mid-latitude cyclone. How does a mid-latitude cyclone end? (8
points)
EXTRA CREDIT (one point each)
What is the latitude and longitude of Port Huron?
_______________________________________________________
What is the declination of the sun today (to within one degree)?
_______________________________________________________
1 out of 5 = 20%
2 out of 5 = 40%
3 out of 5 = 60%
4 out of 5 = 80%
5 out of 5 = 100%
1 out of 10 = 10%
2 out of 10 = 20%
3 out of 10 = 30%
4 out of 10 = 40%
5 out of 10 = 50%
6 out of 10 = 60%
7 out of 10 = 70%
8 out of 10 = 80%
9 out of 10 = 90%
10 out of 10 = 100%
1 out of 20 = 5%
2 out of 20 = 10%
3 out of 20 = 15%
4 out of 20 = 20%
5 out of 20 = 25%
6 out of 20 = 30%
7 out of 20 = 35%
8 out of 20 = 40%
9 out of 20 = 45%
10 out of 20 = 50%
11 out of 20 = 55%
12 out of 20 = 60%
13 out of 20 = 65%
14 out of 20 = 70%
15 out of 20 = 75%
16 out of 20 = 80%
17 out of 20 = 85%
18 out of 20 = 90%
19 out of 20 = 95%
20 out of 20 = 100%
7 out of 35 = 20%
14 out of 35 = 40%
21 out of 35 = 60%
28 out of 35 = 80%
35 out of 35 = 100%