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Date
Assessment
Section Quiz
Section: Air Masses
MATCHING
In the space provided, write the letter of the description that best matches the
term or phrase.
______ 1. continental polar
______ 2. maritime tropical
______ 3. maritime polar
______ 4. continental
tropical
a. an air mass that originates in southern Atlantic
and Pacific areas and brings warm, moist air
b. an air mass that originates in North Atlantic and
North Pacific areas and brings cold, moist air
c. an air mass that originates in Canada and
brings cold, dry air
d. an air mass that originates in U.S. southwest
and brings warm, dry air
MULTIPLE CHOICE
In the space provided, write the letter of the answer choice that best completes
each statement or best answers each question.
______ 5. As lower layers of air are warmed,
a. the air rises.
b. winds form.
c. the air dries.
d. the air sinks.
______ 6. What air masses generally move eastward, toward Europe?
a. maritime tropical Pacific
c. maritime polar Pacific
b. maritime tropical Atlantic
d. maritime polar Atlantic
______ 7. A large body of air throughout which temperature and moisture content are similar is a(n)
a. storm.
c. wind belt.
b. air mass.
d. air pressure.
______ 8. An air mass usually brings the weather of
a. its destination.
c. its path of movement.
b. its source region.
d. an undetermined source.
______ 9. Continental polar, maritime polar, continental tropical, and maritime
tropical are types of
a. air fronts.
c. air masses.
b. air systems.
d. air flow.
______ 10. Air masses responsible for cool, dry air in northern summers are
a. continental polar.
c. maritime polar.
b. maritime tropical.
d. continental tropical.
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Holt Earth Science
31
Weather
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ANSWER KEY
Graphing Skills
22. It is often difficult to predict exactly
36.
125
120
115
110
Rivadavia,
Argentina
35.
130
Seville,
Spain
34.
135
Cloncurry,
Queensland
33.
Extreme High Global Temperatures
140
Tirat Tsvi,
Israel
32.
winds have ever been recorded as high
as those proposed by an F-6 rating.
4. Answers may vary. Students should
label the x axis with the names of
the regions. The y axis should show
an adequate range of temperatures
labeled in equal increments. Bars that
represent the temperatures shown in
the data table should be graphed.
Death
Valley, CA
24.
25.
26.
27.
28.
29.
30.
31.
1. approximately 100 mph
2. F-5
3. Answers may vary. Sample answer: No
El Azizia,
Libya
23.
when precipitation will occur or the
exact amount.
They can manipulate data on temperature and pressure to simulate errors
in measuring these data. Then they
compare forecasts to see if slight data
changes can cause substantial differences in forecasts.
F
C
A
D
B
G
E
Particles are added to clouds to cause
the clouds to precipitate.
In Russia, cloud seeding has been used
with some success on potential hail
clouds to produce rain rather than hail.
Hurricanes have been seeded with
freezing nuclei in an attempt to reduce
the intensity of the storm.
because it is not an attainable goal
with current technology.
by seeding potential lightning storms
with silver-iodide nuclei
Seeding potential lightning storms has
seemed to modify the occurrence of lightning, but results have been inconclusive.
Temperature (°F)
Back
Section Quizzes
SECTION: AIR MASSES
1.
2.
3.
4.
5.
Math Skills
1. 5 5x 5 10 4x 5
5x 5 4x
5x 4x 5 4x 4x
(5 4)x 5 (4 4)x
x=5
2. 8y 8 4,600 8
y 575
3. 6x 18 x –x x 10
7x 18 10
7x 18 + 18 10 18
7x 7 28 7
(7 7)x 28 7
x4
C
A
B
D
A
6.
7.
8.
9.
10.
D
B
B
C
A
SECTION: FRONTS
1.
2.
3.
4.
5.
C
B
E
F
A
6.
7.
8.
9.
10.
D
D
A
C
B
SECTION: WEATHER INSTRUMENTS
1.
2.
3.
4.
5.
C
D
B
A
D
6.
7.
8.
9.
10.
A
B
C
B
D
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Holt Earth Science
59
Weather