Atmosphere Layers

Front

What is the Troposphere?

Back

The lowest layer of the atmosphere where weather occurs and where humans, plants, and animals live.

Front

What is the Stratosphere?

Back

The layer above the Troposphere, containing the ozone layer which protects the Earth from harmful UV radiation.

Front

What is the Mesosphere?

Back

The layer above the Stratosphere, where temperatures decrease with altitude and meteors burn up upon entering this layer.

Front

What is the Thermosphere?

Back

The layer above the Mesosphere, characterized by high temperatures and the presence of the ionosphere, where auroras occur.

Front

What is the Exosphere?

Back

The outermost layer of the atmosphere, where the atmosphere thins out and merges with outer space.

Front

What is the Ozone Layer?

Back

A region within the Stratosphere that contains a high concentration of ozone (O3) and absorbs most of the Sun's harmful ultraviolet radiation.

Front

What are CFCs?

Back

Chlorofluorocarbons, chemicals that were used in refrigeration and aerosol sprays, which deplete the ozone layer.

Front

What is the significance of the Montreal Protocol?

Back

An international treaty designed to phase out the production and consumption of ozone-depleting substances, including CFCs.

Front

What is weather?

Back

The state of the atmosphere at a specific time and place, including temperature, humidity, precipitation, and wind.

Front

What is climate?

Back

The average weather conditions in a particular area over a long period of time.