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Science
Vocabulary
7
Science
8th Grade
09/26/2011

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Term
grains
Definition
the particles of minerals or other rocks that give a rock its texture
Term
texture
Definition
the look and feel of a rocks surface
Term
silica
Definition
a material found in magma that is formed from the elements oxygen and silicon
Term
sediment
Definition
small, solid pieces of material that comes from rocks and organisms
Term
erosion
Definition
the process by which water, ice wind, or gravity moves weathered rock
Term
coral reef
Definition
a structure of calcite skeletons built up by coral animals
Term
foliated
Definition
term used to describe metamorphic rocks
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