Water Cycle Explanation. The water cycle also known as the hydrologic cycle describes the continuous movement of water as it makes a circuit from the oceans to the atmosphere to the earth and on again. The earth s water cycle began about 3 8 billion years ago when rain fell on a cooling earth forming the oceans.
The movement of water around our planet is vital to life as it supports plants and animals. The world s water moves between lakes rivers oceans the atmosphere and the land in an ongoing cycle called you guessed it. The process in which water evaporates and falls on the land as rain and later flows back into the sea via rivers is called water cycle.
Most of earth s water is in the oceans.
Although the total amount of water within the cycle remains essentially constant its distribution among the various processes is continually changing. Water cycle is a simple to understand process. The earth s water cycle began about 3 8 billion years ago when rain fell on a cooling earth forming the oceans. So are all you budding young geographers ready to learn some splashing new facts.
