Layers of the Atmosphere

How much of our atmosphere is oxygen?

• 1%

• 5%

• 21%

• 50%

• 78%

What gas makes up 78% of the atmosphere?

• Oxygen

• Nitrogen

• Ozone

• Carbon Dioxide

Where is most of the water vapor in our atmosphere?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• Exosphere

Which layer of the atmosphere helps us by burning up incoming meteors?

• exosphere

• troposphere

• mesosphere

• thermosphere

Which layer of the atmosphere contains the ozone layer?

• troposphere

• thermosphere

• methosphere

• stratosphere

Which layer of the atmosphere do we live in?

• tropsophere

• stratosphere

• mesosphere

• thermosphere

As you go higher in the troposphere, the temperature _______________.

• decreases
• increases
• stays the same
• gets very hot

What does the ozone layer do for us?

• keeps us warm

• blocks UV rays from getting to Earth

• keeps oxygen in

• burns up meteors

Where are clouds located?

• thermosphere
• stratosphere
• troposphere
• ionosphere
• mesosphere

Which layer is the outermost layer?

• troposphere
• thermosphere
• exosphere
• mesosphere
• magnetosphere