8.1 vocabulary

the force that a column of air applies on the air or a surface below it

• air pressure

• altitude

• atmosphere

• climate

the vertical elevation of an object above a surface, such as sea level or land

• air pressure

• altitude

• atmosphere

• climate

the layer of gases surrounding Earth

• air pressure

• altitude

• atmosphere

• climate

the long-term average weather conditions that occur in a particular region

• air pressure

• altitude

• atmosphere

• climate

the amount of water vapor in the air

• humidity

• latitude

• weather

• front

the distance in degrees north or south of the equator

• humidity

• latitude

• weather

• front

the atmospheric conditions, along with short-term changes, of a certain place at a certain time

• humidity

• latitude

• weather

• front

a boundary between two air masses

• humidity

• latitude

• weather

• front

a large area of air that has uniform temperature, humidity, and pressure

• air mass

• high pressure system

• low pressure system

• coriolis effect

a large body of circulating air with high pressure at its center and lower pressure outside of the system

• air mass

• high pressure system

• low pressure system

• coriolis effect