Earth's Atmosphere Quiz

Which graph BEST illustrates (shows) the change in density in the lowest layer of Earth’s atmosphere as altitude increases?

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In which layer of Earth’s atmosphere does weather occur?

• mesosphere

• stratosphere

• thermosphere

• troposphere

Which graph BEST illustrates (shows) the relationship of altitude and temperature in the lowest layer of the atmosphere of Earth?

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What two gases make up the majority of air?

• helium & argon
• helium & oxygen
• ozone & nitrogen
• nitrogen & oxygen

Which atmospheric layer protects Earth from getting hit my most meteoroids?

• Troposphere

• Mesosphere

• Stratosphere

• Exosphere

Which atmospheric layer helps protect Earth from too much ultraviolet radiation because this layer of the atmosphere contains ozone?

• Mesosphere

• Stratosphere

• Troposphere

• Exosphere

Nitrogen makes up what percent of our atmosphere?

• 21%
• 1%
• 87%
• 78%

Ozone is a...

• form of oxygen found in a layer in the stratosphere
• form of nitrogen found in a layer in the stratosphere
• a form of oxygen found in a layer in the troposphere
• a form of nitrogen found in a layer in the mesosphere

The layer of the atmosphere that is closest to space is the _____________.

• Troposphere
• Stratosphere
• Exosphere
• Thermosphere

The stratosphere is important due to that

• it has an ozone layer, within which it protects life from infrared radiation which would otherwise cause us to burn.
• it has an ozone layer, within which it protects life from ultra-violet radiation which would otherwise cause us to burn.
• it burns up meteors.
• contains the aurora borealis.