Atmosphere Layers

Earth’s atmosphere is composed of different gases in different amounts. The table shows the relative amounts of gases present in Earth’s atmosphere. Which graph most accurately represents the data given in the table?

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In which atmospheric layer does all weather occur?

• exosphere

• stratosphere

• thermosphere

• troposphere

Tags

NGSS.MS-ESS2-5

A student uses pieces of cardboard and rods to make a model of the layers of Earth’s atmosphere and labels the layers W, X, Y, and Z. In which layer of the model would most of the weather on Earth likely occur?

• Layer W

• Layer X

• Layer Y

• Layer Z

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

How does the ozone layer help life on Earth?

• It produces oxygen for the atmosphere.

• It protects Earth from meteors.

• It absorbs damaging ultraviolet radiation from the Sun.

• It reflects most of the Sun's radiation to keep the planet cool.

When a person climbs a mountain, what happens to the air pressure around him?

• It decreases.

• It increases.

• It remains constant.

• It decreases, then increases.

Where does the greatest atmospheric pressure occur?

• mesosphere

• stratosphere

• thermosphere

• troposphere

A student collects information about the order of different layers of the atmosphere and makes a model, as shown. The student wants to add a weather system to the model. To which layer should the student add the weather system?

• mesosphere

• stratosphere

• thermosphere

• troposphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What are the two most common gases found throughout the atmospheric layers?

• carbon dioxide and oxygen

• ozone and water vapor

• nitrogen and oxygen

• carbon dioxide and nitrogen

Which diagram shows the correct sequence of Earth’s atmospheric layers?

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What atmospheric layer contains ozone?

• exosphere

• stratosphere

• mesosphere

• troposphere