Chemistry of Air Pollution

Describe what Earth’s atmosphere is.

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Identify which gas makes up 78% of the atmosphere.

• Nitrogen

• Oxygen

• Other gases i.e. trace gases (like argon, carbon dioxide, neon, helium, and methane)

Identify which gas makes up 21% of the atmosphere.

• Nitrogen

• Oxygen

• Other gases i.e. trace gases (like argon, carbon dioxide, neon, helium, and methane)

Identify which gas makes up LESS THAN 2% of the atmosphere.

• Nitrogen

• Oxygen

• Other gases i.e. trace gases (like argon, carbon dioxide, neon, helium, and methane)

Which of the following statements BEST describes what a TRACE GAS is?

• Trace gas is a gas that makes up less than 2% of the atmosphere.

• Trace gas is any gas in the atmosphere.

• Trace gas is a gas that makes up 78% of the atmosphere.

• Trace gas is a gas that makes up 21% of the atmosphere.

List ALL types of pollutants.

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NGSS.MS-ESS3-4

In your response box, write a definition for each of the following terms

Primary Pollutant

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NGSS.MS-ESS3-3

In your response box, write a definition for each of the following term:

Secondary Pollutant

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