CK12 Earth Science

(Marvins-Underground-K-12) #1
distribution

Vocabulary


groundwater Water present under the ground, between the spaces in sediment or rock.
Impermeable rock lies beneath the groundwater.


hot spring A spring in which the water has been heated by magma.


hydrogeology The study of groundwater.


impermeable Something that water cannot penetrate.


seep A point where a small amount of groundwater moves up onto the Earth’s surface.
Seeps do not produce enough water to create a stream, but they may create a small
pond or wetland.


spring A point on the Earth’s surface, at which water groundwater bubbles up.


water table The upper surface of the groundwater.


Points to Consider



  • Which fresh water source do you think would be cleaner: water from a river or water
    from a well? Why?

  • Why is pollution and overuse of our natural resources always a big concern?

  • What policies might people put in place to conserve water levels in lakes and aquifers?


Image Sources


(1) http://en.wikipedia.org/wiki/Great_lakes. GNU-FDL.

(2) FEMA.http://commons.wikimedia.org/wiki/File:Katrina-14890.jpg. Public
Domain.

(3) Erik Ong.. CC-BY-SA.

(4) http://en.wikipedia.org/wiki/Image:
Green_Dragon_Spring_at_Norris_Geyser_Basin_in_Yellowstone-750px.jpg.
GNU-FDL.
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