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Rocks & Minerals

Rock

TermDefinition
minerals a solid, nonliving thing substance that is found in nature
Minereals have five things in common all are formed by natural process, they are inorganic or nonliving, made of one element or a combination of elements, all are solids, all are crystals
crystals solid in which the atoms are arranged in an orderly repeating pattern
magma hot, melted rock material beneath Earth's surface
How are minerals grouped? by the elements they are made of
hardness a measure of how easily the mineral can be scracted
Mohs scale compares the hardness of different minerals
streak clolr of a mineral when it is in powdered form
luster how a mineral reflects light from its surface
rock a mixture of rock-forming minerals and other materials
rock cycle model the shows how rocks slowly change over time
What are the three types of rocks? igneous, sedimentary, metamorphic
igneous rock forms from the cooled and hardened magma
What are the two type of igneous rock? intrusive and extrusive
Intrusive rocks igneous rocks that from beneath the surface of Earth
Extrusive rocks igneous rocks that form when lava cools on the surface of Earth
Metamorphic rock rock that has been changed by heat, pressure, or presence of hot fluids
Sedimentary rock rock that forms when sediments are pressed and cemented together, or when minerals form from solutions
Created by: hayes1026
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