Science question how are clouds formed explain
Answers
How do clouds form?
Clouds are possibly the most interesting -- and beautiful -- of all weather phenomena. While there are a wide variety of cloud shapes and sizes, they are all made of the same thing: condensed water or ice. Clouds form when rising air, through expansion, cools to the point where some of the water vapor molecules "clump together" faster than they are torn apart by their thermal energy. Some of that (invisible) water vapor condenses to form (visible) cloud droplets or ice crystals.
The cloud example pictured above is considered "convective", because it is produced from warm air pockets rising directly ("convecting") from the underlying surface. Convective clouds are typically smaller, a hundred yards to several miles across.
"Stratiform" clouds, in contrast, typically cover much larger areas and are caused by much broader layers of more slowly rising air (see below), often associated with extratropical cyclone activity. Stratiform clouds have a more uniform, featureless appearance, and often cover the whole sky.
Some different types of clouds can be seen here.
After cloud droplets (or ice crystals) form, then what happens to them? One of two things. Either they collide with each other and grow by joining together to such a large size that they fall to the ground as rain or snow, or they evaporate and change back into water vapor. It is estimated that, on average, about one-half of all cloud material in precipitation systems eventually falls to the Earth as precipitation, while the other half re-evaporates back into water vapor.
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Clouds are formed by the condensation of water droplets in air.It occurs as large amount of water evaporates and goes into air.Air rises up,it expands and cools. The cooling causes the water vapours in the air to condense in the form of tiny droplets.These water droplets get bigger by more and more condensation of other droplets and form clouds.