Layers of Atmosphere

Which layer is closest to the earth? All weather occurs here.

• troposphere

• mesosphere

• thermosphere

• stratosphere

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

• 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%

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

• It increases steadily

• It decreases steadily

Which of the following can be found in the exosphere?

• meteoroids

• treetops

• weather

• satellites

The ionosphere is located at the bottom of which layer of the atmosphere?

• thermosphere

• mesosphere

• exosphere

• troposphere

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

• stratosphere
• thermosphere
• mesosphere
• troposphere

What is found in the troposphere?

• meteoroids

• space station

• weather

• satellites

How many layers of the atmosphere are there?

• 3

• 4

• 5

• 6