Weather:

15 Questions | Total Attempts: 447

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Weather Quizzes & Trivia

Questions and Answers
  • 1. 
    As the difference between the dew point temperature and the air temperature decreases, the probability of precipitation?
    • A. 

      Increase

    • B. 

      Decrease

    • C. 

      Remain the Same

  • 2. 
    According to the Earth Science Reference Tables, an air pressure of 30.15 inches of Hg is equal to how many millibars? 
    • A. 

      1017mb

    • B. 

      1019mb

    • C. 

      1021mb

    • D. 

      1023mb

  • 3. 
    An air mass from the Gulf of Mexico, moving north into New York State, has a high relative humidity. What other characteristics will it probably have?
    • A. 

      Warm temperatures and low pressure

    • B. 

      Cool temperatures and low pressure

    • C. 

      Warm temperatures and high pressure

    • D. 

      Cool temperatures and high pressure

  • 4. 
    The arrows on the diagram below represent surface wind directions on a weather map. The points represent the locations of four weather stations in the Northern Hemisphere. Which weather station probably has the lowest air pressure?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 5. 
    Why do clouds usually form at the leading edge of cold air mass?
    • A. 

      Cold air contains more water vapor than warm air does.

    • B. 

      Cold air contains more dust particles than warm air does.

    • C. 

      Cold air flows over warm air, causing the warm air to descend and cool.

    • D. 

      Cold air flows under warm air, causing the warm air to rise and cool.

  • 6. 
    The primary cause of winds is the...
    • A. 

      Unequal heating of the Earth's atmosphere

    • B. 

      Unifiorm density of the atmosphere

    • C. 

      Friction between the atmosphere and the lithosphere

    • D. 

      Rotation of the Earth

  • 7. 
    According to the Dew-point Temperature Chart in the Earth Science Reference Tables, what is the dew-point if the air temperature is 13°C and the wet-bulb temperature is 9°C?
    • A. 

      -14 degrees C

    • B. 

      0 degrees C

    • C. 

      5 degrees C

    • D. 

      9 degrees C

  • 8. 
    An airmass located over the central United States will most likely move toward the
    • A. 

      Northeast

    • B. 

      Northwest

    • C. 

      Southeast

    • D. 

      Southwest

  • 9. 
    The energy gained by water during evaporation is later released by the water vapor during the process of..
    • A. 

      Transpiration

    • B. 

      Convection

    • C. 

      Melting

    • D. 

      Condensation

  • 10. 
    The air temperature and the wet-bulb temperature were measured and both were found to be 18°C. Two hours later, measurements were taken again and the air temperature was 20°C, while the wet-bulb temperature remained 18°C. The relative humidity of the air during those two hours... 
    • A. 

      Increased

    • B. 

      Decreased

    • C. 

      Remained the Same

  • 11. 
    An air mass originating over the North Pacific Ocean would most likely be...
    • A. 

      Continental Polar

    • B. 

      Continental Tropical

    • C. 

      Maritime Polar

    • D. 

      Maritime Tropical

  • 12. 
    On a weather map, an air mass that is very warm and dry would be labeled how? 
    • A. 

      MP

    • B. 

      MT

    • C. 

      CP

    • D. 

      CT

  • 13. 
     How does air circulate within a cyclone (low-pressure area) in the Northern Hemisphere?
    • A. 

      Counterclockwise and toward the center of the cyclone

    • B. 

      Counterclockwise and away from the center of the cyclone

    • C. 

      Clockwise and toward the center of the cyclone

    • D. 

      Clockwise and away from the center of the cyclone

  • 14. 
    Which combination of air temperature and dewpoint temperature would most likely occur in humid air?
    • A. 

      Air temperature 10°C, dewpoint temperature -4°C

    • B. 

      Air temperature 15°C, dewpoint temperature 3°C

    • C. 

      Air temperature 24°C, dewpoint temperature 23°C

    • D. 

      Air temperature 26°C, dewpoint temperature 10°C

  • 15. 
    A mT air mass would most likely originate over which type of Earth surface?
    • A. 

      Cold and Moist

    • B. 

      Warm and Moist

    • C. 

      Cold and Dry

    • D. 

      Cold and Moist