The Water Cycle

In the heat of the sun, water evaporates from seas, rivers and lakes. As water vapour rises, clouds form in the air. When the clouds rise high, they get cool. Finally they become drops of water. When they are heavy enough, they fall to the earth as rain.

Some rainwater sinks into the ground. It's good for the thirsty plants. Most of the water goes back to the seas, rivers and lakes, And the water cycle will start all over again.