Monday, December 28, 2009

Why do clouds Form ?


A cloud is made up of tiny droplets of water or ice. When cloud forms, the invisible vapor in the air condenses in to visible droplets of water.

All air contains water vapors . Warm air can hold more water vapor than cold air. if the air Cools down, it cannot hold so much water vapor, and it turns into tiny droplets of water. Air cooled down when it rises, because the higher in the atmosphere it goes, the cooler it Gets, When it rains, tiny droplets in a cloud from bigger drops which fall to earth.

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