Composition and Layers of the Atmosphere

Identify Item #1

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide

• Carbon Monoxide

Answer explanation

Identify Item #2

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide

• Carbon Monoxide

Answer explanation

Identify Item #3

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide

• Carbon Monoxide

Answer explanation

The most abundant element in the atmosphere is:

(a)  

Answer explanation

The ozone layer is located in the:

• Thermosphere

• Mesosphere

• Exosphere

• Troposphere

• Stratosphere

Answer explanation

Which molecule is an ozone molecule:

• 
• 
• 
• 
• 

Answer explanation

Tags

NGSS.MS-PS1-1

Which of the following is an ozone molecule:

• N₂

• CO₂

• O₃

• NO₂

• O₂

Answer explanation

Tags

NGSS.MS-PS1-1

Write "ozone" where the ozone layer can be found:

Answer explanation

Which of the following best describes the change in air pressure with increasing altitude:

• There is no change in air pressure with increasing altitude

• The air pressure increases with increasing altitude

• The air pressure decreases with increasing altitude

• The air pressure decreases and increases with increasing altitude, depending on the layer.

Answer explanation

Which of the following best describes the change in air density (concentration of air molecules) with increasing altitude:

• There is no change in air density with increasing altitude

• The air density increases with increasing altitude

• The air density decreases with increasing altitude

• The density decreases and increases with increasing altitude, depending on the layer.

Answer explanation