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Clouds are water liquid, not vapour, why it don't fall down?

  1. Feb 14, 2009 #1
    Title says all,
    why clouds are up? have the air more density than water?

  2. jcsd
  3. Feb 14, 2009 #2
    Same reason that smoke rises despite soot being heavier than air. :wink:
  4. Feb 14, 2009 #3


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    Science Advisor

    Although clouds are made of water droplets and ice chrystals, these droplets are very small. Many clouds form as a result of updrafts. These updrafts are more than strong enough to keep such tiny droplets aloft.
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