Atmosphere and Air Pressure

What are the main gases found in our atmosphere?

• Helium

• Nitrogen

• Hydrogen

• Oxygen

• Carbon Dioxide

Select all that are true about the troposphere

• The first layer in our atmosphere

• Burns up meteors

• Planes fly here

• All of Earth's weather occurs here

• Temperature decreases with altitude

Select all that are true about the thermosphere

• It is very cold

• It contains the Northern Lights

• Meteors burn here

• It is very hot

• It is the fourth layer of the atmosphere

Select all that are true about the mesosphere

• It is very hot

• It is very cold

• Meteors burn here

• This is the layer we live in

• Gas particles are densely packed

True or false: There are 5 layers that make up the atmosphere

• True

• False

Select all that are true about the stratosphere

• It is the second layer of the atmosphere

• Temperature decreases with altitude

• Planes fly here

• The ozone layer is located here

• Temperature increases with altitude

Select all that are true about the Exosphere

• It is very hot

• Gravity is weak

• This is the third layer of the atmosphere

• Meteors burn here

• Low density

Which gas has the highest percentage in or atmosphere?

• Carbon Dioxide

• Helium

• Oxygen

• Nitrogen

• Hydrogen

Select what can impact air pressure

• Density

• Temperature

• Water Pressure

• Altitude

• Moisture

What is the air pressure at sea level?

• 14.7 atm

• 14.7 psi

• 11.4 psi

• 11.7 atm

• 14.7 mmHg