Earth's Atmosphere

Front

What causes discomfort in your ears when traveling up into the mountains?

Back

The discomfort is due to the low pressure in the mountains.

Front

Which layer of the atmosphere has the highest density of gas molecules?

Back

The troposphere.

Front

What instrument is used to measure air pressure?

Back

A barometer.

Front

Which layer of the atmosphere has the greatest air pressure?

Back

The troposphere.

Front

What is the layer of the atmosphere closest to space?

Back

The exosphere.

Front

What is the primary composition of the Earth's atmosphere?

Back

The Earth's atmosphere is primarily composed of nitrogen (78%) and oxygen (21%).

Front

What happens to air pressure as altitude increases?

Back

Air pressure decreases as altitude increases.

Front

What is the significance of the troposphere in weather phenomena?

Back

The troposphere is where most weather phenomena occur, including clouds, rain, and storms.

Tags

NGSS.MS-ESS2-5

Front

What is the temperature trend in the stratosphere?

Back

In the stratosphere, temperature increases with altitude due to the absorption of UV radiation by the ozone layer.

Front

What is the role of the ozone layer?

Back

The ozone layer protects living organisms by absorbing harmful ultraviolet (UV) radiation from the sun.