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.