Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

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?

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

    LURCH

    User Avatar
    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.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook