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science 5.2 and 5.3 vocabulary
Tylers vocabulary for science
11
Science
8th Grade
10/16/2012

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Term
Mineral
Definition
a naturally occuring inorganic solid with a destinct chemical composition and crystalline structure
Term
Crystal
Definition
a solid substance in which the atoms or ions are arranged in an orderly pattern that repats over and over again
Term
Silicate
Definition
any mineral that has a building blcok a tetrahedron of silicon and oxygen
Term
silia tetrahedron
Definition
a grouping of one silicon ion and four oxygens that makes the basic block of silicate
Term
cleavage
Definition
the tendancy of a mineral to split where bonds are weakest
Term
mineralogy
Definition
the study of minerals and their properties
Term
rock-forming mineral
Definition
a specific group of minerals that make up certain types of rocks
Term
luster
Definition
a property of an mineral that describes the quality or appearance of a rock
Term
streak
Definition
a property of a mineral that describes its colored appearance
Term
fracture
Definition
a property of a mineral that describes an irregular pattern of breakage
Term
specific gravity
Definition
the ratio of a substance that describes the weight of the substance
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