Front

What is the movement of rotation?

Back

The spinning of Earth on its axis.

Front

What is the degree measurement that Earth's axis is tilted upon?

Back

23.5 degrees.

Front

What does revolution refer to in terms of Earth's movement?

Back

Earth orbiting the sun.

Front

What is Earth's atmosphere?

Back

The thin layer of gasses that surround Earth.

Front

What is humidity?

Back

The amount of water vapor held in the air.

Front

What causes day and night?

Back

The rotation of Earth on its axis.

Front

What is the definition of precipitation?

Back

When water falls back to Earth in the form of rain, sleet, or snow.

Front

What is the water cycle?

Back

The continuous movement of water through evaporation, condensation, and precipitation.

Front

What are the four main types of clouds?

Back

Cumulus, Stratus, Cirrus, and Nimbus.

Front

What is a weather front?

Back

A boundary between two different air masses.