-Earths water is always in movement and the natural water cycle,also known as the hydrologic cycle,describes the continuous movement of water on, above,and below the surface of the earth.water is always changing states
Then when water heats up to the atmosphere evaporation also known as solar radiation. when water reforms to water that is condensation. when water falls back as rain snow hail or sleet that's precipitation plants have there own type of evaporation called transpiration. water moving in the air is called evection. Runoff is water flowing across the land.
Info found at EPA website.