The Atmosphere Chapter Review

The amount of _____ (2 words) in the air varies greatly from place to place and time to time.

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-4

Gases in air that are present in very small amounts are called _____ gases.

Earth is surrounded by an envelope of gases called the ______.

When gasoline is burned it releases the gas _____ (2 words).

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NGSS.MS-PS1-5

Clouds form when water vapor _____ out of the air.

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NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

The term used to describe the condition of Earth's atmosphere at a given place or time is _____.

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What do dust, smoke, salt, and chemicals have in common?

• They are gases in air.

• They make up water vapor in air.

• They are particles in air.

• They are found only in pure air.

Which of these does a fire need to burn?

• argon

• carbon dioxide

• nitrogen

• oxygen

Which of these do plants need to make food?

• argon

• carbon dioxide

• nitrogen

• oxygen

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NGSS.MS-LS1-6

Which of these makes up about 21 percent of the atmosphere?

• argon

• carbon dioxide

• nitrogen

• oxygen