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23 terms

Greim Time Ch. 3, Set #2

Quiz on November 15, 2011
STUDY
PLAY
mineral
solid substance found naturally in the earth's surface
veins
concentrated areas of specific minerals
ores
materials with usable amounts of metal in them
smelting
used to separate ore form other materials
malleable
soft and shape-able
fallow
unused farmland resting for a season
ground cover
unused fields planted with a low growing crop
contour plowing
method used to keep water washing soil away
hydrosphere
all of earth's lakes, oceans, streams, rivers, soil, underground, and air water
water cycle
traveling water
saline
salty because of dissolved minerals
Phytoplankton
small plant that makes up the first line in the ocean's food chain
ground water
rainwater that has flowed into soil and is stored underneath the earth's surface
aquifers
layers of sand,gravel, and rock that hold and move ground water
draw down
when the water level falls because there is too much water taken and there is less water
humidity
water vapor in the air
ice sheet
huge expanse of ice, essentially a glacier
ice shelf
floating ice
icebergs
Independently floating ice
sea ice
frozen ocean water
reduce
using less amount of resources
reuse
using something again that would be thrown away
recycle
turning produces into other products