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Science rocks vocab

rocks vocab

QuestionAnswer
rock mixture of one or more minerals, volcanic gas, organic matter, or other materials, can be igneous, metamorphic, or sedimentary
rock cycle model that describes how rocks slowly change from one form to another through time
principle of conservation of matter the chemical elemetns that make up minerals and rocks are not destroyed, they are just redistributed i other forms
igneous rock intrusive or extrusive rock fromed when hot magma cools and hardens
lava thick, gooey, molten rock material flowing from volcanoes onto Earth's surfance
magma hot, melted rock material beneath the Earth's surface
intrusive a type of igneous rock that generally contains large crystals and forms when magma cools slowly beneath Earth's surface
extrusive fine grained igneous rock that froms when magma cools quickly at or near Earth's surface
basaltic dense, dark colored igneous rock formed from magma that is rich in magnesium and iron and poor in silica
granaic light colored, silica rich igneous rock that is less dense than basaltic rock
metamorphic rock forms when heat, pressure or fluids act on igneous, sedimentary, or other metamorphic rock and affects its form or composition, or both
foliated metamorphic rock, such as slate and gneiss, whose mineral grains flatten and line up in parralel layers
nonfoliated metamorphic rock, such as quartzite and marble , whose mineral grains grow and rearrange but do not from layers
sediments loose materials, such as rock fragments, mineral grains, and the remains of once living plants and animals, that have been moved by wind, water, ice, or gravity
sedimentary rock forms when sedimetnts are compacted and cemented together or when minerals come out of a solution or are left behind by evaporation
compaction process that forms sedimentary rock when layers of small sediments are compressed by weight of the layers above them
cementation sedimentary rock forming when process in which large sediments are held together by natural cements that are produced when water soaks through rocks and soil
weathering the process of breaking down rocks into sediments with wind, water,ice or other natural things
erosion the carring away of broken down rocks by the process of weathering
coal non-renewable resource; sedimentary rock; combustible mineral substance
Created by: polarbears1
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