Layers of the Atmosphere and Winds

Front

What happens to warm air?

Back

Warm air expands and becomes less dense.

Front

What gas makes up most of the air we breathe?

Back

Nitrogen is the gas that makes up most of the air we breathe.

Front

What property is used to divide the layers of the atmosphere?

Back

Temperature is the property used to divide the layers of the atmosphere.

Front

What gas in the stratosphere protects us from UV radiation?

Back

Ozone is the gas found in the stratosphere that helps protect us from UV radiation.

Front

What are the two main gases in Earth's atmosphere and their percentages?

Back

21% oxygen and 78% nitrogen make up almost 99% of Earth's atmosphere.

Front

What is the troposphere?

Back

The troposphere is the lowest layer of the atmosphere where weather occurs.

Tags

NGSS.MS-ESS2-5

Front

What is the stratosphere?

Back

The stratosphere is the layer above the troposphere, containing the ozone layer.

Tags

NGSS.MS-ESS2-6

Front

What is the mesosphere?

Back

The mesosphere is the layer above the stratosphere where temperatures decrease with altitude.

Front

What is the thermosphere?

Back

The thermosphere is the layer above the mesosphere, characterized by high temperatures.

Front

What is the exosphere?

Back

The exosphere is the outermost layer of the atmosphere, where the atmosphere transitions into space.