The Atmosphere Around You

Front

What is the layer of Earth's atmosphere that is farthest from Earth's surface?

Back

thermosphere

Front

What is the relatively thin layer of gases that form Earth’s outermost layer?

Back

atmosphere

Front

What is the horizontal movement of air from an area of high pressure to an area of low pressure called?

Back

wind

Front

What does altitude refer to?

Back

Elevation above sea level.

Front

What causes global winds?

Back

Unequal heating of Earth’s surfaces over large areas.

Front

What is the layer of the atmosphere where weather occurs?

Back

troposphere

Front

What is the second layer of the atmosphere above the troposphere?

Back

stratosphere

Front

What is air pressure?

Back

The force exerted by the weight of air above a surface.

Front

What is the term for the movement of air caused by temperature differences?

Back

convection currents.

Front

What is the main gas found in the Earth's atmosphere?

Back

Nitrogen.