NASA | Earth Science Week: Water, Water Everywhere!

"Water, Water Everywhere!" is Episode 2 in the six-part series "Tides of Change", exploring amazing NASA ocean science to celebrate Earth Science Week 2009.

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Water is all around us, and its importance to nearly every natural process on earth cannot be underestimated. The water cycle is the movement of water around the Earth in all its forms, from the ocean to the atmosphere, to snow, soil, aquifers, lakes, and streams on land, and ultimately backs to the ocean. This video explains what the water cycle is and how important it is to life on earth.