Clouds are formed when moisture in the air condenses around solid particles in the atmosphere. There are three basic cloud types and these three types combine with one another to form all the other cloud types. Each is associated with a certain type of weather. (see fig. 2)
The three main types are:
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1. Cumulus: Low level & puffy clouds
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2. Stratus: Middle level & sheets
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3. Cirrus: High level & thin
I suggest that you give each group a chart showing the shapes, elevations and names of the various cloud types to help them with their identification.
