Air Pressure and Relative Humidity

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-ESS2-5

What is used to measure humidity?

• Barometer

• Hygrometer

• Anemometer

• Yard Stick

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

what is the highest relative humidity?

• 50%

• 99%

• 100%

• 76%

What is relative humidity?

• Relative humidity is the measure of air pressure in a specific location

• Relative humidity is the amount of water vapor present in air expressed as a percentage of the amount needed for saturation at the same temperature.

• Relative humidity is the amount of oxygen present in the air

• Relative humidity is the amount of dust particles present in the air

Tags

NGSS.MS-ESS2-5

Determine the air pressure based on the humidity:

a

b

990 mb

1020 mb

Tags

NGSS.MS-ESS2-5

Relative Humidity is measured by the amount of ______ in the air.

Page (19)

The following map shows the weather conditions in a coastal area during a hot summer week. At which point is relative humidity the highest?

• A. Point 1

• B. Point 2

• C. Point 3

• D. Point 4

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Identify the air pressure based on the temperature and humidity:

a

b

Lower Air pressure

Higher air pressure

Tags

NGSS.MS-ESS2-5

Humidity is the amount of ___________ in the air.

• smoke

• water vapor

• pressure

• dust

Tags

NGSS.MS-ESS2-4