4.6 Weather Review

Front

What is the boundary formed when two air masses meet called?

Back

front

Front

What process describes the transformation of liquid water into water vapor?

Back

evaporation

Front

What instrument is used to measure temperature?

Back

thermometer

Front

How is relative humidity defined?

Back

A comparison between how much water vapor is in the air and how much the air could hold.

Front

What term describes the weight of the air?

Back

air pressure

Front

What is the term for the amount of water vapor present in the air?

Back

humidity

Front

What is the difference between absolute humidity and relative humidity?

Back

Absolute humidity measures the actual amount of water vapor in the air, while relative humidity compares the current amount of water vapor to the maximum amount the air can hold at a given temperature.

Front

What weather phenomenon is characterized by a rapid drop in temperature and often leads to thunderstorms?

Back

cold front

Front

What type of front occurs when a warm air mass meets a cold air mass and is forced to rise?

Back

warm front

Front

What is the term for the process by which water vapor cools and changes back into liquid water?

Back

condensation