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Mr. Timm nitrogen cycle
nitrogen cycle
22
Science
7th Grade
12/03/2008

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Term
rock-forming mineral
Definition
one of the common moineral that make up most of the rocks of earth's crust
Term
granite
Definition
a usually light colored igneous rock thatr is found in continental crust
Term
basalt
Definition
a dark, dense , igneous rock with a fine texture found in an oceanic crust
Term
grains
Definition
the particales of minerals or other rocks that give a rock its texture
Term
texture
Definition
the look and fell of a rocks surface deturmaned by size, shape, and pattern of a rocks grain
Term
igneous rock
Definition
a type of rock that forms from the cooling of molten rock at/or below the surface
Term
sedimentary rock
Definition
type of rock that forms when particels of other rocks that form when the remians of plants and animals are pressed and cemented together
Term
metamorphic rock
Definition
a type of rock that forms when an existing rock that is changed by heat, pressure, or chemical reaction
Term
extrusive rock
Definition
igneous rock that forms from lava on earths surface
Term
intrusive rock
Definition
igneous rock that forms when magma hardends below earths surface
Term
sedimant
Definition
small, soil solid peices of amterial that come from rocks or organism
Term
erosion
Definition
that destructive process which water or wind loosen and caries away fragments of rock
Term
deposition
Definition
that process of which sediment settels out of the water or wind that is carring it
Term
compaction
Definition
that process by which sediments are pressed together by their own weight
Term
cementation
Definition
the process by which deisolved mineral crystalliz and glue particels of sediment together in one peice
Term
clastic rock
Definition
sedimentary rock that forms when rock fragments are squeezed under high pressure
Term
organic rock
Definition
sedimantary rock that forms from remains of oragnisms deposited in thick layers
Term
chemical rock
Definition
sedimentary rock that forms when minerals crystallize form a solution
Term
coral reef
Definition
a structure of calcite skeletons built up by coral animals and wram , shallow ocean water
Term
coral reef
Definition
a structure of calcite skeletons built up by coral animals and wram , shallow ocean water
Term
foliated
Definition
term used to descibe metamorphic rocks that have grains aranged in parallel or bands
Term
rock cycle
Definition
a series of processes on the surface and inside earth that slowly changes rock from one kind to another
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