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Dynamic Earth Chap 4

Hanson Dynamic Earth Chapter 4 Vocabulary Words

TermDefinition
chemical rock sedimentary rock made by evaporation
clastic rock sedimentary rock made from pieces of other rocks
cleavage rocks break along smooth lines
crystal solid made from repeating patterns
density amount of matter in a given space
extrusive rock igneous rock formed from lava
fracture rock breaks along jagged lines
gemstone a hard, beautiful substance used for jewelry
hardness resistance to being scratched
igneous formed from molten rock
inorganic not formed from living things
intrusive rock igneous rock formed from magma
luster way a mineral reflects light; shiny
metal shiny, conducts electricity and heat; malleable
metamorphic rock that has been changed by heat and/or pressure
metamorphism process of how a metamorphic rock is formed
mineral naturally occurring, inorganic solid with a definite chemical composition and crystal shape
nonmetal dull, poor conductor of heat and electricity; brittle
ore rock or mineral from which metals and nonmetals can be removed and used
organic rock sedimentary rock made from living organisms
rock hard substance composed of one or more minerals
rock cycle changing of rock from one type to another
sediment pieces of rock or other material
sedimentary rock made by sediments being squeezed together
streak color left by a mineral
metallic luster very shiny
nonmetallic luster very dull
Friedrich Mohs created the Mohs hardness scale to identify minerals
streak plate used to test the streak of a mineral
geologist person who studies rocks and minerals
Created by: marydykstra
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