https://www.google.com/search?q=evaporation&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjgqffczfPWAhUB7SYKHY_VAFUQ_AUICigB&biw=1100&bih=572#imgrc=4XG2kTrqGDZ0PM:
The sun heats up the water on the ground. The water becomes so hot it goes from liquid form to gas form, called water vapor. The vapor rises into the atmosphere because hot gas rises. This step is called evaporation. It is the first step because it takes water from earth and puts it back in the water cycle.
