Atmosphere and winds

The envelope of gases that surrounds Earth is known as the...

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NGSS.MS-ESS2-6

Which of these gases together make up 99% of the Earth's atmosphere.

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide

How is the atmosphere a system?

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which of the following are properties of air?

• mass

• density

• pressure

• multi-colored

Where would the atmosphere be the most dense out of these three choices?

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What does a barometer do?

• Measures the pressure of the atmosphere.

• Measures the amount of gases in the atmosphere.

• Measures the temperature of the different layers of the atmosphere.

• Measures the thickness of the atmosphere.

Match the following

• mercury barometer

• 
• Aneroid Barometer.

• 
• 78% of Earth's atmosphere.

• 
• PSI

• 

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NGSS.MS-ESS2-5

Air pressure​ (a)   as​ (b)   increases.

• decreases
• altitude
• increases
• remains constant
• temperature
• stays the same

Explain why there is less air pressure at higher altitudes.

What is the main criteria that scientists use to divide the atmosphere into layers?

• temperature

• wind and currents

• the color of the air

• how the air behaves physically