Layers of the Atmosphere

Front

What is the hottest layer of the atmosphere?

Back

Thermosphere

Front

What gas makes up 21% of the atmosphere?

Back

Oxygen

Front

As altitude increases, what happens to air pressure?

Back

Air pressure decreases.

Front

What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide?

Back

1%.

Front

What is the third layer of the atmosphere from the ground called?

Back

Mesosphere.

Front

What is the lowest layer of the atmosphere?

Back

Troposphere.

Front

What layer of the atmosphere contains the ozone layer?

Back

Stratosphere.

Front

What is the primary function of the ozone layer?

Back

To absorb harmful ultraviolet (UV) radiation from the sun.

Front

What is the boundary between the troposphere and the stratosphere called?

Back

Tropopause.

Front

Which layer of the atmosphere is known for its temperature increase with altitude?

Back

Thermosphere.