Unit 5

Water that flows across Earth's surface.

• groundwater

• runoff

• precipitation

• condensation

The weight of the atmosphere on the surface of the Earth.

• air mass

• humidity

• air pressure

• evaporation

Water in the form of gas.

• precipitation

• water vapor

• runoff

• aquifer

Water stored underground.

• runoff

• humidity

• groundwater

• precipitation

A large body of air with the same temperature and humidity throughout.

• air pressure

• barometer

• air mass

• atmosphere

The mixture of gasses surrounding Earth's surface.

• condensation

• evaporation

• air pressure

• atmosphere

The amount of water vapor in the air.

• condensation

• air mass

• humidity

• anemometer

What type of weather might an air mass that formed in the tropics over the ocean bring?

• cold and warm

• warm and dry

• cold and wet

• wet and warm

What might you look at to find out if a thunderstorm is coming?

• amount of cloud cover

• cloud type

• cloud color

• number of clouds

The air feels dry.

Which of the following is this phrase describing?

• precipitation

• air pressure

• humidity

• wind speed