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  • The Amazing Water Cycle

    The water that we have on Earth exists in many forms. The oceans, rivers, lakes and streams have liquid water flowing through them. Glaciers and ice-caps contain solid water in the form of ice. The atmosphere has water vapor in it – hence the clouds. Even the ground we walk on is full of water. Some of it flows underground, dissolving rocks and making caves as it goes. To help explain the water cycle, we produced a video about it while we rafted and kayaked the Colorado river.

    http://a.blip.tv/api.swf#hNNNgtzsaAA

    Facts about the Water cycle

    • The water cycle is a process that helps give us water to drink, fish to eat and the weather patterns that allow us to grow crops.
    • A whopping 97% of the water on Earth is saltwater from the ocean. Only 3% of our water is freshwater
    • Ice makes up 2% of the available water, leaving only 1% of the water on Earth available for humans and animals.

    water-cycle

    Water Cycle Terms

    Water Cycle Terms

    Water Cycle Terms

    Water Cycle Terms

    • Evaporation: Occurs when liquid water vaporizes back into a gas.
    • Condensation: A physical change of the liquid water from gas back to liquid. Cloud formation is a good example of condensation.
    • Precipitation: Occurs when teh condensed water in the atmosphere falls as rain, snow, or sleet.
    • Transpiration: A loss of water vapor from plants. Plants have stomata on their surfaces whereby water is lost to the atmosphere.

     

    Written by Rob Nelson

    Rob is an ecologist from the University of Hawaii. He is also an award winning filmmaker. As principle director of the Untamed Science productions his goal is to create videos and content that are both entertaining and educational. When he's not making science content, he races slalom kayaks and skydives.

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