W&W Inv.1-2 Weather & Air

Front

air

Back

the mixture of gases surrounding Earth

Front

air pressure

Back

the force exerted on a surface by the mass of the air above it

Front

atmosphere

Back

the layer of gases surrounding Earth

Front

climate

Back

the average or typical weather conditions in a region

Front

compress

Back

to push particles closer together

Front

exosphere

Back

the layer of the atmosphere at the top

Front

expand

Back

to get bigger; to take up more space

Front

forecast

Back

to predict future events or conditions

Front

humidity

Back

water vapor in the air

Front

mass

Back

the amount of matter in something