FOR KIDS: Water, water, not everywhere

Satellites show a drop in Earth?s groundwater levels

Web edition : Thursday, January 12th, 2012

Keeping track of water makes for tricky science. It drains through soil, slips through cracks in rocks and refills underwater reserves. It bubbles up through springs and runs in rivers. Water evaporates and forms clouds; rain brings it back to earth, where it keeps plants alive and drains into the soil again.?

Scientists who study water?s movements recently reported that levels of groundwater ? water found in soil or pooled in underground reservoirs ? have been dropping for the last nine years in many places.? And that's potentially quite troubling.?

Visit the new?Science News for Kids?website?and read the full story:?Water, water, not everywhere

Found in: Science News For Kids

Source: http://www.sciencenews.org/view/generic/id/337493/title/FOR_KIDS_Water,_water,_not_everywhere

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