Layers of the Atmosphere and Air Pressure

What happens to air pressure as you go higher in the atmosphere?

• Air pressure increases

• Air pressure decreases

• Air pressure decreases, then increases

Which layer of the atmosphere contains the Aurora Borealis (Northern Lights)?

• Mesophere

• Stratosphere

• Thermosphere

Which layer of the atmosphere is closest to the surface of the Earth?

• Troposphere

• Mesosphere

• Stratosphere

What is the most abundant gas in the atmosphere?

• Nitrogen

• Oxygen

• Carbon dioxide

Which layer of the atmosphere contains the Ozone Layer?

• Mesosphere

• Stratosphere

• Thermosphere

In which layer of the atmosphere are meteors destroyed?

• Stratosphere

• Troposphere

• Mesosphere

What is the second most abundant gas in the atmosphere?

• Nitrogen

• Oxygen

• Methane

In what layer of the atmosphere does weather take place?

• Troposphere

• Thermosphere

• Mesosphere

What is the percentage of Nitrogen in our air?

• 21%

• 78%

• 50%

What is the percentage of oxygen in our air?

• 21%

• 78%

• 33%