Blankets of Air Above Us

Which layer of the atmosphere contains the air we breathe and most of the water vapor?

• Mesosphere

• Troposphere

• Stratosphere

• Thermosphere

What is the important part of the stratosphere that protects us from the sun's harmful rays?

• Nitrogen layer

• Ozone layer

• Carbon layer

• Oxygen layer

Which layer of the atmosphere becomes colder as its altitude increases?

• Thermosphere

• Mesosphere

• Stratosphere

• Troposphere

In which layer of the atmosphere do strong winds blow from west to east in the winter?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Which layer of the atmosphere is the highest and the largest?

• Thermosphere

• Mesosphere

• Stratosphere

• Troposphere

What is the temperature of the thermosphere?

• Moderate

• Extremely hot

• Very cold

• Very hot

What percentage of the atmosphere's total mass is found in the troposphere?

• 90%

• 75%

• 50%

• 25%

Which layer of the atmosphere has most of our weather in it?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

What does the name 'mesosphere' mean?

• Cold place

• Warm place

• In between

• High place

Where does space begin in the atmosphere?

• Troposphere

• Stratosphere

• Thermosphere

• Mesosphere