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Ch 16 & 17 Quiz:
Understanding Weather
Multiple Choice
1. In what part of the water cycle do clouds form?
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a. evaporation
b. runoff
c. precipitation
d. condensation
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2. What causes changes in weather?
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a. Air masses move and meet.
b. The air gets more humid.
c. Water evaporates.
d. Clouds form.
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3. How does a hurricane begin?
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a. with big ocean waves
b. with high winds on land
c. with rain in polar areas
d. with thunderstorms over the ocean
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4. What causes lightning?
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a. thunder
b. an electric discharge
c. rising warm air
d. air masses meeting
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5. What tool measures air pressure?
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a. thermometer
b. psychrometer
c. anemometer
d. barometer
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6. What kind of weather does a cold front usually bring?
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a. warm
b. stormy
c. sunny
d. windy
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7. What is a cloud made of?
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a. water droplets
b. gases
c. rain or snow
d. warm air
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8. Which is safest in a thunderstorm?
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a. standing near a tree
b. staying low on the ground
c. getting in the water
d. finding a high place
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Matching
9. the amount of moisture in the air10. a percentage that shows how much water vapor is in the air
11. moisture in the air
12. the temperature at which air is saturated / a. relative humidity
b. water vapor
c. dew point
d. humidity
13. a cloud that forms near the ground
14. a cloud that brings a thunderstorm
15. a puffy white cloud with a flat bottom
16. clouds that cover a large area / a. cumulus
b. fog
c. stratus
d. cumulonimbus
17. How do prevailing winds that travel across large bodies of water affect the climate?
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a. They make it colder.
b. They make it warmer.
c. They make it wetter.
d. They make it drier.
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18. traits of the atmosphere that change from day to day19. distance north or south from the equator
20. how high a mountain rises above sea level
21. average weather in an area for along time / a. climate
b. weather
c. latitude
d. elevation
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Holt Science and Technology 69 Understanding Weather