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Rocks and Minerals

Minerals

TermDefinition
hardness the resistance to being scratched
cleavage tendency of a mineral to break along flat surfaces
fracture tendency of a mineral to break into irregular pieces
luster the way light reflects from the surface
color the appearance of the rock when viewed with your eyes
density the amount of mass in a given volume
streak the powder left behind when the mineral is rubbed against a surface
water displacement the method used to find the volume of an irregular shaped object
rock cycle how rocks change from one form to another
igneous forms when molten rock cools and becomes solid
sedimentary forms when pieces of older rock combine with other rocks
metamorphic formed from heat or pressure
Created by: Ms. Long 6
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