The atmosphere is the layer of gases which surrounds the Earth. Air is a synonym for atmosphere, the only difference is that the composition of the atmosphere is more than air. The atmosphere is a mixture of gases that are held in a position around the Earth by the gravity of the Earth.
Up Next in Term 4
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Structure of the atmosphere: Troposph...
The atmosphere is composed of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. This lesson will focus on the Troposphere and Stratosphere.
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Structure of the atmosphere: Mesosphe...
Looking at the remaining layers that also make up the atmosphere, the Mesosphere and Thermosphere, we conclude on the structure of the atmosphere.
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The Greenhouse Effect
In this section we will be looking at how important greenhouse gases are to sustain life on Earth. The greenhouse effect is the way in which heat is trapped close to Earth’s surface by “greenhouse gases” . By the end of this lesson you will realise the importance of protecting our planet from inc...
