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Humidity Test Review
Humidity Test Review
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Humidity Test Review for NYS Earth Science Regents Exam + Weather instruments
Flashcards
37 cards
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Questions
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Answers
1
17b.Which is a natural source of condensation nuclei?
volcanic ash
car exhaust
factory smoke
2
5b. As temperature increases, rate of evaporation ________________
stays the same
increases
decreases
3
11c. RH is 37% and the dry bulb temp is -2°C, what is difference between the db & the wb temp?
3°C
4°C
5°C
-5°C
4
8. As latitude increases, what happens to the angle of insolation & a locations temp?
angle decreases, temp decreases
angle increases, temp increases
angle increases, temp decreases
angle decreases, temp increases
5
1a) What does a barometer measure?
wind speed
air temperature
air pressure
humidity
6
15b. DP=AT, the air is _______________________
devoid of water vapor
a cloud
saturated
7
11a. Dry Bulb is 19°C and the wet bulb is 11°C: What is my dew point?
10°C
-3°C
10°C
3°C
8
11d. relative humidity was 77% and my dry bulb temp was -4°C what was my wet-bulb temperature?
5°C
-5°F
10°C
-5°C
9
13. If my dew point and air temp are close together, my RH is _____________
low
high
100%
10
16. List the key words that describe cloud formation:
Rise, expand, condense, cool
rise, expand, cool, condense
11
5a. As humidity increases, rate of evaporation _______________
stays the same
increases
decreases
12
3. What are some sources that the atmosphere derives its water vapor from?
deserts
oceans, rivers, lakes streams
13
17a. Explain why condensation nuclei are necessary in cloud formation?
particlels for liquid water to evap off of.
particles for water vapor to condense upon
14
15c. See image below:
cloud, precip, droplets
precip, cloud, droplets
hurricane, tornado, jerry
15
12. How much energy is required to melt 3 grams of ice?
3 g x 334 j/g= 1002 g
1 g x 334 j/g = 334 g
1 g x 334 j/g= 334 j
3 g x 334 j/g=1002 j
16
4. Is evaporation a cooling or warming process?
warming
cooling
17
11b.If the air temperature is 20°C and the RH is 36% what is my dewpoint?
6°C
10°C
3°C
4°C
18
10. What does a high dew point mean?
there is a lot of liquid water in the air
there is no water vapor in the air
there is a lot of water vapor in the air
the air is saturated
19
21. Why does air cool as it rises?
contraction
its less dense
expansion
condensation
20
1e. What does an anemometer measure?
air pressure
air temperature
wind direction
wind speed
21
20. What is RH at base of a cloud?
100%
50%
95%
0%
22
1c. What does a rain gauge measure?
amount of rainfall
wind speed
pressure
humidity
23
1b) What does a psychrometer measure?
wind speed
humidity
temperature
pressure
24
1d. What does a wind vane measure?
wind speed
snow fall
air pressure
wind direction
25
5d) As surface area increases, rate of evaporation ________________
increases
remains the same
decreases
26
1f. What does a thermometer measure?
temperature
humidity
air pressure
27
19. Altitude of cloud base: AT=36°C, DP=32°C
.75 km
1 km
.5 km
28
4b. Which best explains the answer to the previous question?
evaporation gives off heat to the environment
evaporation takes heat away from the environment
evaporation does not involve heat exchange
29
2. What are the two most abundant gasses found in our troposphere?
oxygen and argon
water vapor and oxygen
water vapor and nitrogen
oxygen and nitrogen
30
7. When the air cannot hold any more water vapor, the air is __________________
eccentric
saturated
31
2b) What gas is really important for weather processes?
water vapor
nitrogen
oxgyen
argon
32
6. What happens the the amount of water vapor that the air can hold as temperature increases?
amount of water vapor air can hold remains the same
amount of water vapor air can hold decreases
amount of water vapor air can hold increases
33
9. What does a low dew point mean?
there is not a lot of water vapor in the air
the air is saturated
there is a lot of water vapor in the air
the air does not contain any water vapor
34
5c) As wind increases, rate of evaporation ___________________
remains the same
increases
decreases
35
15a. if my dew point= air temp, my RH is _____________
high
100%
low
36
14. If my dew point and air temperature are far apart my RH is ________________
low
100 %
high
37
18. A parcel of air must be _________ with water vapor for a cloud to form.
devoid
saturated
full
