Layers of Atmosphere

Front

What happens to air density as you go higher in the atmosphere?

Back

The air becomes less dense.

Front

In which layer of the atmosphere do space shuttles and the International Space Station orbit?

Back

Thermosphere.

Front

What effect does the sun have on surface water?

Back

It causes it to evaporate.

Front

Define evaporation.

Back

The process by which liquid water changes to water vapor.

Front

Which level of the atmosphere do you see weather, clouds, rain, etc.?

Back

Troposphere.

Front

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

Back

Stratosphere.

Front

What is the highest layer of the atmosphere?

Back

Exosphere.

Front

What is the layer of the atmosphere where most meteors burn up?

Back

Mesosphere.

Front

What is the main gas found in the atmosphere?

Back

Nitrogen.

Front

What is the role of the ozone layer?

Back

It protects Earth from harmful ultraviolet (UV) radiation.