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Science 5TH GR CH 1

TermDefinition
mineral A naturally occurring, nonliving solid that has a specific chemical makeup and a repeating structure
streak The color of the powder left behind when you rub a mineral against a rough white tile or a streak plate.
luster The way a mineral´s surface reflects light.
hardness A mineral´s ability to resist being scratched
rock A natural substance made of one or more minerals
igneous rock Rock that forms when melted rock cools and hardens
deposition The process in which sediment settles out of water or is dropped by wind
sedimentary rock Rock formed when sediments are cemented together
metamorphic rock Rock formed when high heat and great pressure change existing rocks into a new form
weathering The process of wearing away rocks by natural processes
erosion The process of moving sediment by wind, moving water, or ice
rock cycle The continuous process in which one type of rock changes into another type
Created by: kir1234567890
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