Atmosphere: Layers and Composition

Where is the temperature the highest?

• 1
• 2
• 3
• 4

Where is the air pressure the greatest?

• 1
• 2
• 3
• 4

Using this diagram, which layer of the atmosphere is closest to the earth?

• troposphere
• stratosphere
• mesosphere
• thermosphere

Which of the following is the correct order of the atmosphere layers from Earth to space?

• troposphere, stratosphere, mesosphere, thermosphere, exosphere
• troposphere, mesosphere, thermosphere, exosphere, stratosphere
• thermosphere, stratosphere, mesosphere, troposphere, exosphere
• troposphere, stratosphere, mesosphere, exosphere, thermosphere

What are the 2 most abundant gases in Earth's atmosphere?

• carbon dioxide and oxygen
• carbon dioxide and nitrogen
• nitrogen and oxygen
• nitrogen and hydrogen 

Where you will find the ozone layer.

• stratosphere
• thermosphere
• exosphere
• mesosphere

What is the function of the ozone layer?

• to allow UV rays to get to Earth
• to block UV rays from getting to Earth
• To keep oxygen in
• to allow meteors to get to Earth

James plans to climb to the top of Mount Everest.  Which of the following statements about his climb will be the most accurate?

• Air pressure will rise and the temperature on a thermometer will increase.
• Air pressure will fall and the temperature on a thermometer will decrease.
• Air pressure will rise and the temperature on a thermometer will decrease.
• Air pressure and thermometer will not change.

This gas makes up 78% of the atmosphere

• oxygen
• nitrogen
• ozone
• carbon dioxide

This gas makes up 21% of the atmosphere

• ozone
• oxygen
• nitrogen
• water vapor