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casts students as interns in a state climatology office. Their assignment: to investigate how clouds form, how they're classified, and their role in heating and cooling the earth. This 30-page guide also helps students understand why clouds (and the study of them) are important. (National Aeronautics and Space Administration)
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The earth constantly tries to maintain a balance between the energy that it receives from the sun and the energy it emits back out to space. The balance between incoming and outgoing energy is referred to as the earth's radiant budget. Clouds play an important role in maintaining this energy balance because they can reflect, absorb, and radiate energy. |
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Water cycle |
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