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Asked by abunakawa to Hannah, Joanna, Joe, Luis, Vincent on 16 Jun 2016.
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Luis Perez Calderon answered on 16 Jun 2016:
Clouds are made mostly of water but because this water is so spread out in the sky, gravity has little to no effect on it.
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Hannah Grist answered on 16 Jun 2016:
I used to wonder that too!
Clouds are made up of loads of tiny, tiny drops of water floating in the sky. Although they look like they are solid and heavy from the ground, all the droplets are separate, and because they are so small and light, they don’t get affected very much by gravity. Think of when you look at sunlight coming through the window, and you can see bits of dust just floating around. It’s the same with clouds.
That said, sometimes they do fall: that’s what rain is!
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Vincent Keenan answered on 20 Jun 2016:
This is a good question!
Clouds are made up tiny droplets of water that are kept up by thermal currents. The thermal currents push the droplets in all different directions (why you see dust floating in the air), but because they are lighter (less dense) than air they rise up to heights where this density equalises with the air and they float and collect as clouds. When they clump together they get heavier and sink, and eventually fall as rain 🙂 -
Joe Nunez-Mino answered on 21 Jun 2016:
Just like the steam that comes out of your kettle, clouds are mostly made of water. When water is a gas it has very different properties and when it gets really high in the sky where there is less pressure it forms these wonderful things called clouds as the water droplets gather.
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