Layers of Atmosphere

Front

What is the outermost layer of the Earth's atmosphere?

Back

The outermost layer of the Earth's atmosphere is the exosphere.

Front

How does air density change with altitude?

Back

As you go higher in the atmosphere, the air becomes less dense.

Front

What gas makes up 78% of the Earth's atmosphere?

Back

Nitrogen makes up the largest proportion of air at 78%.

Front

What is the process called when a liquid changes to a gas, such as water vapor?

Back

The process is called evaporation.

Front

Which layer of the atmosphere is hotter, the stratosphere or the troposphere?

Back

The troposphere is hotter than the stratosphere.

Front

What is the layer of the atmosphere where weather occurs?

Back

Weather occurs in the troposphere.

Front

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

Back

The second layer above the troposphere is the stratosphere.

Front

What is the layer of the atmosphere that protects us from meteoroids?

Back

The mesosphere protects us from meteoroids.

Front

What is the layer of the atmosphere that contains the ozone layer?

Back

The ozone layer is located in the stratosphere.

Front

What happens to temperature as you move up through the stratosphere?

Back

Temperature increases as you move up through the stratosphere.