LAYERS OF ATMOSPHERE

Our _________ is the layer of gases that surrounds our planet Earth.

• ocean

• weather

• atmosphere

• ozone

In which layer of the atmosphere do we live and weather occurs?

• stratosphere
• thermosphere
• mesosphere
• troposphere

What percentage of our atmosphere is made of oxygen? 

• 1%
• 21%
• 78%
• 25%

Where is the ozone layer, which absorbs UV radiation, located in our atmosphere?

• stratosphere
• thermosphere
• mesosphere
• troposphere

About how much of the atmosphere contains nitrogen?

• 1%
• 78%
• 21%
• 97%

In which layer of the atmosphere is the most water vapor found?

• thermosphere

• mesosphere

• troposphere

• stratosphere

Which layer of the atmosphere would jets fly in to avoid a thunderstorm?

• troposphere

• thermosphere

• mesosphere

• stratosphere

As you ascend (go up) in the troposphere what happens to the temperature?

• It increases steadily

• It decreases steadily

Which is the first layer of the atmosphere?

• Mesosphere

• Troposphere

• Thermosphere

• Exosphere

Which is the 2nd layer of the atmosphere?

• Mesosphere

• Exosphere

• Troposphere

• Stratosphere