Questions and Guide Answers
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1. 1-1 On a weather map, cold fronts are ind icated
by symbols and warm fronts by
symbols.
Answer: a. dark, light
b. triangle, semicircle [2]
c. circle, triangle
d. semicircle, triangle
2. 1-2 To represent a warm or cold front on a weather
map, the appropriate symbol is drawn on the side
toward which
Answer: a. the wind is blowing
,b. the center of low pressure is located
c. the front is moving [2]
d. the air is colder
3. 1-3 If triangles and semicircles are shown on opposite
sides of the same frontal boundary, the
front is
Answer: a. cold
b. occluded
c. stationary [2]
d. warm
4. 1-4 Near a cold front, air is advancing
and replacing the air on the other side.
Answer: a. cold, warm [2]
b. cloudy, clear
c. moist, dry
d. windy, calm
5. 1-5 The approach of deteriorating weather is indicated
by a
,Answer: a. falling hygrometer
b. rising barometer
c. falling barometer [3]
d. falling speedometer
6. 1-6 For best results, an outdoor thermometer
should be
Answer: a. bought from a hardware store
b. mounted in a shady spot [3]
c. filled with colored water
d. read on cloudy days
7. 1-7 Humidity is measured by an instrument
called a/an
Answer: a. atomizer
b. humidifier
c. hygrometer [4]
d. moisturizer
8. 1-8 The amount of moisture actually in the air, as
a of what the air could contain, is called
, the humidity.
Answer: a. ratio, measured
b. percentage, relative [4]
c. fraction, atmospheric
d. percentage, partial
9. 1-9 The maximum amount of moisture air can
contain as the air temperature .
Answer: a. decreases, decreases [4]
b. increases, decreases
c. decreases, increases
d. stays the same, increases
10. 1-10 Increasing wind speed is a sign that a
is .
Answer: a. high, approaching
b. front, departing
c. front, approaching [4]
d. low, receding