Water Cycle • Heat from the Sun causes water on Earth (in oceans, lakes etc) to evaporate (turn from liquid into gas) and rise into the sky. This water vapor collects in the sky in the form of clouds as condensation. As water vapor in the clouds cools down it becomes water again, this process is called precipitation Water is found almost everywhere on Earth, from high mountain snowcaps and glaciers to oceans to freshwater on land and underground. Energy from the sun and the force of gravity drive the continual cycling of water. Gravity causes precipitation to fall from clouds, and causes water on land to flow downward through watersheds. https://pmm.nasa.gov/education/sites/default/files/lesson_plan_files/exploring-water- cycle/Exploring%20the%20Water%20Cycle%20TG%20v2.pdf