Air Pressure and Relative Humidity

Humidity is the amount of ___________ in the air.

• smoke

• water vapor

• pressure

• dust

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

The humidity is used when describing weather because it can determine

• the health of plants & animals

• the formation of clouds

• the probability of rain, winter blizzards, and thunderstorms

• all of the above

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

What is a factor that determines humidity?

• temperature

• how close it is to shore

• air pressure

• none of the above

Tags

NGSS.MS-ESS2-5

What is used to measure humidity?

• Barometer

• Hygrometer

• Anemometer

• Yard Stick

Humidity is measured in __________.

• tons of water

• gpm, giggles per minute

• g/m³, grams per cubic meter

• percentage

Where can you find water vapor in the air? 

• only in clouds             
• only as rain                     
•  everywhere

Tags

NGSS.MS-ESS2-4

When the temperature decreases, the relative humidity _?_.         

• Increase
• Decrease
• Stay the same

Relative humidity is

• the amount of water vapor present in the air compared to the maximum amount of water vapor that the air can hold at its temperature

• when two places have the same humidity

• a place that always has the same humidity

• none of the above

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

The weather events associated with humidity are

• earthquakes

• volacnic eruptions

• rain, thunderstorms, blizzards, and droughts

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Cold air can hold more water vapor than warm air. (less easy to get saturated)

• True

• False