Atmosphere Practice Questions

Which layer of Earth's atmosphere is known for being extremely thin and is the beginning of true space?

• Troposphere

• Stratosphere

• Exosphere

• Mesosphere

In which layer of the atmosphere do the space shuttle and the International Space Station orbit?

• Troposphere

• Thermosphere

• Mesosphere

• Stratosphere

What is a characteristic of the mesosphere?

• It is the hottest layer.

• It is the coldest layer.

• It contains most of the ozone.

• It is where weather occurs.

Where is most of the ozone in our atmosphere found?

• Troposphere

• Mesosphere

• Stratosphere

• Exosphere

Which layer of the atmosphere is closest to Earth and where weather occurs?

• Exosphere

• Thermosphere

• Mesosphere

• Troposphere

Which layer of the atmosphere contains clouds and weather? (click to enlarge picture)

• Therosphere

• Mesosphere

• Stratosphere

• Troposphere

Where do meteors burn up?

• mesosphere

• thermosphere

• exosphere

• troposphere

In which layer do planes fly?

• exosphere

• troposphere

• mesosphere

• stratosphere

What gas is most common in the troposphere?

• oxygen

• carbon dioxide

• helium

• nitrogen

What is the main function of the ozone layer in the atmosphere?

• To provide oxygen

• To block harmful UV radiation

• To trap heat

• To produce nitrogen