Put a saucepan filled with water on the fire (with the presence of an adult). After a few minutes, you will see a steam; this steam is water in the gaseous state. The same applies to the water of the seas, lakes and vegetation. When it’s hot, it turns into very light particles which fly off into the sky forming clouds under pressure and wind. When the drop of water becomes heavy, it falls. The water that falls is called rain. The measure of the amount of rain that falls is: rainfall.
When your mom prepares a stew or another dish in the casserole, wait until she opens to see if it is cooked, and look inside the lid: several drops of water have stuck to it, and the heaviest fall…
Sea water covers two-thirds of the earth’s surface but does not evaporate completely… Fortunately.