Layers of the Atmosphere Review

Front

What is the atmosphere?

Back

The layer of gases that surrounds Earth.

Front

What are the two most abundant gases in the atmosphere?

Back

Nitrogen and oxygen.

Front

In which layer does the energy from the sun strike gas molecules, causing them to glow (Aurora Borealis)?

Back

Thermosphere.

Front

How are the layers of the atmosphere classified?

Back

According to changes in temperature.

Front

Which layer of the atmosphere is the coldest?

Back

Mesosphere.

Front

What is the troposphere?

Back

The lowest layer of the atmosphere where weather occurs.

Front

What is the stratosphere?

Back

The layer above the troposphere, containing the ozone layer.

Front

What is the mesosphere?

Back

The layer above the stratosphere, where temperatures decrease with altitude.

Front

What is the thermosphere?

Back

The layer above the mesosphere, where temperatures increase significantly.

Front

What is the exosphere?

Back

The outermost layer of the atmosphere, where atmospheric particles are very sparse.