Why Clouds Stay Suspended in the Sky

Clouds stay floating in the sky because air is pushing up on them, just like when you blow on a feather to keep it from falling.

When water turns into vapor (like when you boil a pot of water), it goes up into the air. This vapor forms clouds, they’re like fluffy bunches of tiny water droplets or ice crystals. Now, the air around these clouds is always moving. Warm air moves upward, and cooler air moves downward, like a gentle dance in the sky. The warm air helps lift the clouds up, keeping them from falling all the way back to Earth.

Even though clouds are heavy, sometimes as heavy as a truck!, they don’t fall because the air is helping them stay afloat. It’s like when you’re floating in a pool and the water holds you up. The air pushes up on the clouds, just enough to keep them suspended in the sky. If the air stops pushing up or gets colder, then the clouds might start to fall, that’s how rain happens!