turning it into a gas - water vapour. This process is called evaporation. The water vapour rises and collects in the sky as clouds. When the water vapour cools down, it condenses, turning back ...

Nice shower Square? Whoa! Cheeky. When water is heated up, it changes state from a liquid to a gas, called steam. And this process is called evaporation. When a gas cools down, it can change state ...