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Wednesday, September 14, 2016

The water cycle

                                                             The water cycle


Image result for the water cycle


Did you know today there’s the same water as there was when the Earth was first created. Water is very important a in life of human beings, plants and animals. I will provide you with an explanation on how water is recycled.


The water cycle is also called the hydrological cycle. This cycle includes precipitation, evaporation, condensation and transpiration. Water changes from liquid to vapor and then to liquid again.


Firstly the water from lakes, rivers, streams and the sea is heated by the sun and evaporates. When it evaporates the water forms into clouds by condensation. When the clouds become heavy it falls down as rain assisted by gravity. If it falls down in solid form it is snow or sleet.


The water reaches the ground and flows across the land until it reaches rivers, lakes, streams and the sea. Some of the water also sinks into the ground.


The water cycle  begins all over again by evaporation.


Glossary


Hydrological: Hydrology is the scientific study of the movement, distribution, and quality of water on Earth and other planets.
Precipitation: Rain, snow, sleet, or hail that falls to or condenses on the ground.
Evaporation: Evaporation is a fundamental part of the water cycle and is constantly occurring throughout nature.
Condensation: Water which collects as droplets on a cold surface when humid air is in contact with it.
Transpiration: Transpiration is essentially evaporation of water from plant leaves.

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