Question

why warm air is lighter than cold air?

Answer 1

hey dear

Hot air rises because when you heat air (or any other gas for that matter), it expands. When the air expands, it becomes less dense than the air around it. The less dense hot air then floats in the more dense cold air much like wood floats on water because wood is less dense than water.

thanks

Answer 2

Heya....

Here is your answer....

Warm air is lighter than cold air.

Because the cold air contains some of the molecules of water.

But warm air doesn't contains any water droplets or dust particules.

So warm air is lighter than cold air.