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GradeRocksMinerals

QuestionAnswer
property a quality that helps us identify an object
geologists scientists who study rocks
mineral is a solid that is made of the same substance throughout
rock is a solid that is made of two or more minerals
crystals have straight edges and flat surfaces
igneous rock forms when liquid rock or magma hardens as it rises near to or through the earth's crust
magma liquid rock that is located below the Earth's crust
sediment pieces of rock, soil, and shells moved by water and wind and settling in layers
sedimentary rock a rock formed when layers of small pieces of rock, soil, and shells are cemented together ; formed over millions of years as layers of sediment are squeezed together
metamorphic rock a type of rock formed from igneous or sedimentary rocks that changed because of intense heat and pressure from under Earth's crust
classify to group according to different characteristics
Mohs scale a scale of 10 minerals arranged by hardness; used to classify minerals according to hardness
transparency a property (whether light passes through a mineral)
lustre a property (whether a mineral is shiny or dull)
cleavage a property (whether it splits apart cleanly)
attracted means that the magnet is drawn toward the magnetic minerals that are attracted to a magnet
Created by: MDaoust
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