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Sedimentary Rocks
7th grade science
9 cards·by lmarchant
deposit
an amount of rock or soil that has been laid down in an area
erosion
the process in which wind, water, ice, or other things move pieces of rock and soil over Earth's
surface
fossil
evidence that an organism once existed in an area; can be part of the organism's body or a mark or
print left by the organism
limestone
a kind of sedimentary rock. Some kinds are made from ancient sea shells
rock cycle
the process during which rocks are formed, change, wear down, and are formed again over long
periods of time
rock layer
A layer or line of rock above or below another body of rock
sediment
Solid material, moved by wind and water, that settles on the surface of land or the bottom of a
body of water
sedimentary rock
A type of rock formed by gravity pressing fragments of other rocks and minerals together as
they settle on land, under the ocean over time
weathering
the breaking down of rock into smaller pieces by the action of wind, rain, and temperature
change