Air Pressure and Relative Humidity

When someone refers to 'dry air', what they really mean is _______ .

• high humidity air

• hot air

• cold air

• low humidity air

One way to get water vapor to condense from the air include

• Cooling the air down

• Warming the air up

Tags

NGSS.MS-ESS2-4

Which list correctly matches each instrument with the weather variable it measures

• wind vane—wind speed

  thermometer—temperature

  precipitation gauge—relative humidity

• wind vane—wind direction

  thermometer—dewpoint

  psychrometer—air pressure

• barometer—relative humidity

  anemometer—cloud cover

  precipitation gauge—probability of precipitation

• barometer—air pressure

  anemometer—wind speed

  psychrometer—relative humidity

Base your answer on the weather map below, which shows the locations of a high-pressure center (H) and a low-pressure center (L) over a portion of North America. The isolines indicate surface air pressures.

The arrows on which map show the most likely path in which these two pressure centers will move over the next few days?

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Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which map shows the most likely location of clouds associated with these pressure centers?

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Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Base your answer on on the station models below, which show various weather conditions recorded at the same time on the same day at four different cities. Which city had the lowest relative humidity?

• Chicago

• Detroit

• Buffalo

• Utica

Tags

NGSS.MS-ESS2-5

Base your answer on the map below, which shows sea-level air pressure, in millibars, for a portion of the eastern coast of North America. Points A, B, C, and D are sea-level locations on Earth's surface. Which location most likely recorded the highest wind speed?

• A

• B

• C

• D

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The map below shows air pressures recorded in millibars (mb).

Which map shows the correct location of the 996-mb, 1000-mb, and 1004-mb isobars?

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Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which weather change is most likely indicated by rapid falling air pressure

• humidity is decreasing

• temperature is decreasing

• skies are clearing

• a storm is approaching

Tags

NGSS.MS-ESS2-5

Which instrument is used to measure air pressure?

• Barometer

• Anemometer

• Hygrometer

• Thermometer