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Chapter 8

grade 6 science unit C

QuestionAnswer
solid compounds that occur naturally in Earth's crust minerals
a measure of how easily a mineral can be scratched hardness
a useful test to help tell minerals apart streak test
a mineral that breaks apart along flat surfaces has cleavage
the way the surface of a mineral reflects light luster
four properties that you can use to identify minerals hardness, streak, cleavage, luster
three classes of rock igneous, sedimentary metamorphic
rock that forms from hot molten rock igneous
rock forms from buried sediment sedimentary
rock that forms when heat and pressure change rock metamorphic
certain types of rock are changed into other types of rock rock cycle
rock formed from cooling and crystallization of magma or lava igneous rock
rock form from erosion, deposition and burial of sediment sedimentary rock
deformation of rock under high temperature and pressure metamorphic rock
rocks are best described as mixtures
high temperature and pressure can change limestone into marble
rocks continually change from one type to another in a series of processes called rock cycle
you can rub a mineral along a rough surface to observe its streak
rock that is formed when magma cools and crystalizes igneous rock
minerals that break apart along planes or flat surfaces when struck have cleavage
when clay, mud and sand are deposited and buried over millions of years what is produced? sedimentary rock
the way that a surface of a mineral reflects light is called its luster
all samples of the same _____ have the same chemical makeup mineral
scratching an unknown mineral sample with different known minerals can help estimate its hardness
heat and pressure can deform sedimentary rock into metamorphic rock
weathering and erosion is part of the rock cycle
magma that cools SLOWLY can produce LARGE crystals
used in the manufacturing of radios, clocks, computer chips quartz
used for floor tiles slate
used in buildings and monuments granite
used as building stone sandstone and limestone
which quality of a diamond gives it its unusual hardness? each carbon atom is bound to four other carbon atoms
Created by: foustk
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