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- 1. Multiple ChoiceThe process that changes a gas into a liquidEvaporationCondensation
- 2. Multiple ChoiceThe temperature at which the air is saturated with water vapor.....HumidityCondensationDew point
- 3. Multiple Choice
A dry-bulb temperature of 30°C and a wet-bulb temperature of 29°C were recorded at a weather station. What are the relative humidity and the most likely weather conditions?Relative humidity is 29% with clear skiesRelative humidity is 29% with a good chance of snowRelative humidity is 93% with clear skies.Relative humidity is 93% with a good chance of rain. - 4. Multiple ChoiceWhich weather instrument is most useful in
measuring relative humidity?barometeranemometerpsychrometerwind vane - 5. Multiple ChoiceWhich type of air has a relative humidity of 100%?spacehotdrysaturated
- 6. Multiple ChoiceWhat is the Dew Point Temperature if the dry-bulb temperature on your sling psychrometer is 20ºC and the wet-bulb temperature is 15ºC?14ºC12ºC10ºC-18ºC
- 7. Multiple Choice_____________ is the temperature to which air must be cooled to reach saturation.Humid pointTemperature indexRelative HumidityDew Point
- 8. Multiple ChoiceThe amount of water vapor in the atmosphere compared to how much it could hold.SaturationVaporicityHumidityRelative Humidity
- 9. Multiple ChoiceWhich of these is an example of precipitation?snowaircloudsvapor
- 10. Multiple ChoiceIf the air temperature is 20°C and the relative humidity is 58%, what is the dewpoint?5°C12°C15°C38°C
- 11. Multiple Choice
Cloud formation is likely to occur in rising air because rising air
expands and cools
expands and warms
contracts and warms
contracts and cools
- 12. Multiple ChoiceWhat is the relative humidity when the dry-bulb temperature is 16°C and the wet-bulb temperature is 14°C?90%80%14%13%
- 13. Multiple ChoiceThe dewpoint is 15°C. What is the wet-bulb temperature on a sling psychrometer if the dry-bulb temperature is 18°C?16°C2°C3°C20°C
- 14. Multiple ChoiceWhich is likely to occur after moist air is cooled below its dew point?Evaporation increasesIce crystals meltWater condensesWinds are generated
- 15. Multiple ChoiceWhat is the Dew Point Temperature if the dry-bulb temperature on your sling psychrometer is 20ºC and the wet-bulb temperature is 15ºC?14ºC12ºC10ºC-18ºC
- 16. Multiple Choice
If the dry bulb temperature is 20 °C and the relative humidity is 58 %, what is the dew point?
5 degrees celsius
12 degrees celsius
15 degrees celsius
38 degrees celsius
- 17. Multiple ChoiceWhat is the dew point when the dry-bulb temperature is 12 °C and the wet-bulb temperature is 7 °C?1 °C-5 °C28 °C48 °C
- 18. Multiple ChoiceClouds are made up of tiny drops of ______ or ice. The moisture in the cloud affects the weather.dustwatercloud particlesprecipitation
- 19. Multiple ChoiceIf the air is "saturated", that means:the air is full of waterthe air is partially full of waterit's amount of water vapor in the atmosphere right nowhow much liquid water it potentially can hold
- 20. Multiple ChoiceAs the air temperature increases, the air's capacity for water vapor:increasesdecreasesremains the sameis unrelated to air temperature and can either increase or decrease
- 21. Multiple ChoiceWhat is relative humidity?humidity that is related to other humiditycondensationcloudsthe amount of water in the air compared to the amount of water the air can hold - a ratio
- 22. Multiple ChoiceThe ability of the air to hold water depends on its _______________.air pressurethermometertemperaturewater vapor
- 23. Multiple ChoiceHumidity is a measure of the amount of __________ in the air.Rain DropsAir PressureTemperatureWater Vapor
- 24. Multiple ChoiceHumidity can be found by comparing the temperatures of _________________.barometerswet-bulb and dry-bulb thermometersHydrometersAnemometers
- 25. Multiple ChoiceWhat kind of precipitation is formed when water falls from the clouds and lands on the ground as liquid water?HailSleetRainSnow
- 26. Multiple Choice
For snow to fall, the air temperature must be what?
Above 0 degrees celsius
Below 0 degrees celsius
Freezing
Warmer at the ground than high in the air
- 27. Multiple Choice____________ is any form of water that falls from clouds and reaches Earth's surfacesnowprecipitationrainsleet
- 28. Multiple ChoiceWhat kind of precipitation is it when raindrops fall as liquid water but freeze when they touch a cold surface?freezing rainsnowhail
- 29. Multiple ChoiceA _______ forms when water vapor in a cloud is converted directly into ice crystals.hail stormraindropsnowflake
- 30. Multiple Choice
Clouds that form very near the ground are called _______________.
smog
haze
fog
dust
- 31. Multiple Choice
Water in the form of droplets, usually in the morning or late evening, due to condensation.
fog
dew
dew point
condensation nuceli
- Answer choicesTagsAnswer choicesTags