Atmospheric Layers

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What is the atmosphere?
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The atmosphere is the layer of gases surrounding Earth.
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Name the main layers of the Earth's atmosphere.
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The main layers are Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere.
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Which layer of the atmosphere is closest to Earth?
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The Troposphere is the closest layer to Earth.
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Why is the Ozone layer important?
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The Ozone layer protects Earth from harmful ultraviolet (UV) radiation from the sun.
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In which layer does weather occur?
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Weather occurs in the Troposphere.
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What is the highest layer of Earth's atmosphere?
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The Exosphere is the highest layer.
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Which layer contains the most oxygen?
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The Troposphere contains the most oxygen.
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How does the temperature change in the Stratosphere?
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The temperature increases with altitude in the Stratosphere.
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What happens in the Mesosphere?
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The Mesosphere is where most meteoroids burn up upon entry.
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Which layer has the Aurora Borealis?
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The Aurora Borealis occurs in the Thermosphere.
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What causes weather changes in the Troposphere?
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Weather changes are caused by the movement of air masses, humidity, temperature, and pressure differences.
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Why do planes fly in the Stratosphere?
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Planes fly in the Stratosphere to avoid weather disturbances and turbulence found in the Troposphere.
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What gases primarily make up the atmosphere?
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The atmosphere mainly consists of Nitrogen, Oxygen, Argon, and Carbon Dioxide.
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How does air pressure change with altitude?
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Air pressure decreases as altitude increases.
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What role does the Exosphere play?
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The Exosphere is where atmospheric particles fade into space and satellites orbit Earth.
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