T2 Weather in the Atmosphere Vocabulary Flashcard

Front

What is the term for the relatively thin layer of gases that forms Earth's outermost layer?

Back

Atmosphere

Front

The pressure caused by the weight of a column of air pushing down on an area is known as ____.

Back

Air pressure

Front

What is the elevation above sea level called?

Back

Altitude

Front

The horizontal movement of air from an area of high pressure to an area of lower pressure is known as ____.

Back

Wind

Front

What is the continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation called?

Back

Water cycle

Front

The process by which molecules at the surface of a liquid absorb enough energy to change to a gas is known as ____.

Back

Evaporation

Front

What is the change of state from a gas to a liquid called?

Back

Condensation

Front

The temperature at which condensation begins is known as ____.

Back

Dew point

Front

What is the amount of water vapor in a given volume of air called?

Back

Humidity

Front

The percentage of water vapor in the air compared to the maximum amount of water vapor that air can contain at a particular temperature is known as ____.

Back

Relative humidity