Layers of the Atmosphere Quiz

Which is the lowest layer of the atmosphere where weather occurs?

• Mesosphere

• Stratosphere

• Troposphere

• Exosphere

In which layer do most airplanes fly?

• Troposphere

• Stratosphere

• Thermosphere

• Mesosphere

The ozone layer, which protects us from harmful UV rays, is found in the:

• Troposphere

• Stratosphere

• Exosphere

• Thermosphere

Which layer protects Earth from meteors by burning them up?

• Stratosphere

• Thermosphere

• Mesosphere

• Troposphere

What causes the greenhouse effect on Earth?

• The Sun's heat getting trapped by gases

• The thinning of the ozone layer

• The rotation of the Earth

Which gas is most responsible for the greenhouse effect?

• Nitrogen

• Oxygen

• Hydrogen

• Carbon dioxide

What human activity increases global warming by releasing more carbon dioxide?

• Planting trees

• Using solar energy

• Burning fossil fuels

• Conserving water

Satellites orbit Earth in which atmospheric layer?

• Mesosphere

• Thermosphere

• Exosphere

• Stratosphere

The atmosphere becomes thinner and eventually merges with space in the:

• Exosphere

• Stratosphere

• Mesosphere

• Thermosphere

How can we reduce global warming?

• Increase the use of fossil fuels

• Reduce the use of renewable energy

• Use more energy-efficient appliances

• Cut down more trees