Earth's Atmosphere

Front

What is the troposphere?

Back

The troposphere is the lowest layer of Earth's atmosphere, where weather occurs and where most of the atmosphere's mass is found.

Tags

NGSS.MS-ESS2-5

Front

Why does the troposphere have the greatest atmospheric pressure?

Back

The troposphere contains a high concentration of gas particles, which contributes to higher atmospheric pressure.

Front

What is the most abundant gas in Earth's atmosphere?

Back

Nitrogen is the most abundant gas in Earth's atmosphere, making up about 78% of it.

Front

How high does the stratosphere extend above Earth's surface?

Back

The stratosphere extends up to about 50 km above Earth's surface.

Front

What layer of the atmosphere do tornadoes and hurricanes occur in?

Back

Tornadoes and hurricanes occur in the troposphere.

Tags

NGSS.MS-ESS2-5

Front

What is the second most abundant gas in Earth's atmosphere?

Back

Oxygen is the second most abundant gas in Earth's atmosphere, making up about 21%.

Front

What is the ozone layer and where is it located?

Back

The ozone layer is a region in the stratosphere that contains a high concentration of ozone (O3) and protects Earth from harmful ultraviolet (UV) radiation.

Tags

NGSS.HS-PS4-4

Front

What is the role of water vapor in the atmosphere?

Back

Water vapor is a greenhouse gas that helps regulate Earth's temperature and is essential for weather processes.

Front

What is the mesosphere?

Back

The mesosphere is the layer of the atmosphere above the stratosphere, extending from about 50 km to 85 km above Earth's surface.

Front

What happens to temperature as you go higher in the troposphere?

Back

As you go higher in the troposphere, the temperature generally decreases.