Layers of the Atmosphere

Front

What percentage of our atmosphere is oxygen?

Back

21%

Front

In which layer do auroras occur?

Back

Thermosphere

Front

Which layer has the coldest temperatures?

Back

Mesosphere

Front

What happens to particles when more heat is supplied to the system?

Back

They would speed up.

Front

Which layer is the outermost layer of the atmosphere?

Back

Exosphere

Front

What is the lowest layer of the atmosphere called?

Back

Troposphere

Front

What is the layer above the troposphere?

Back

Stratosphere

Front

What is the main gas in the atmosphere?

Back

Nitrogen (78%)

Front

What is the function of the ozone layer?

Back

To absorb harmful UV radiation from the sun.

Front

What is the boundary between the troposphere and stratosphere called?

Back

Tropopause