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Rock Unit

vocabulary rock and minerals

QuestionAnswer
Geologist scientist who study rocks and minerals to help us learn about the formation of the earth
Granite rock composed of minerals - Igneous rock
Hardness how resistant a mineral is to being scratched
Igneous rocks formed from minerals that have melted deep within the Earth - "fire made" formed from melted rock materials
Luster the way a mineral reflects the light
Metamorphic rocks formed from igeneous, sedimentary, or other metamorphic rocks which contain materials that have been changed by heat, pressure, or chemical recation.
Mineral minerals are naturally occuring substances. Each mineral has its own chemical composition. Minerals are inorganic (not alive)substances. Always solid.
Rock earth materials made up of different kinds of materials
Rock cycle a never ending process by which rocks are changed from one type to another
Scratch test used to determined the hardness of a material
Sedimentary rocks formed as particles settle to the bottom of the ocean and lakes. Smaller bits of rocks pressed or cemented together. Form layers.
Created by: CBOOE
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