Vocab Word about Rocks
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| Rock | a solid substance made of 2 or more minerals
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| Rock Cycle | a never-ending cycle of rocks changing into different rocks
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| Igneous Rock | rocks made by volcanoes
*fire rocks
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| Metamorphic Rocks | rocks made by heat and pressure deep inside the Earth
*changed rocks
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| Sedimentary Rocks | rocks made by sediments being compacted and cemented together
*layered rocks
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| Intrusive Igneous Rocks | igneous rocks that are made inside the volcano
*cool slowly and have large crystals
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| Extrusive Igneous Rocks | igneous rocks that are made outside of the volcanoe
*cool quickly and have small or no crystals
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| Magma | melted rock inside the Earth
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| Lava | melted rock on the Earth's surface
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| Sediment | small pieces of broken rocks
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| Coal | sedimentary rock made from dead plants
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| Limestone | sedimentary rock made from sea shells
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| Organism | a living thing
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| Metamorphism | the process by which rocks change into different rocks through heat and pressure
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| Foliated | metamorphic rocks with minerals that form bands
*Gneiss
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| Non-Foliated | metamorphic rocks with minerals in random order
*Marble
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| Erosion | when sediments are transported from one place to another
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| Deposition | when sediments are deposited in a new location
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| Weathering | when rocks break down into sediments
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| Organic Rocks | sedimentary rocks made by dead organisms
*coal and limestone
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| Clastic Rocks | sedimentary rocks made by pieces being cemented together
*shale, conglomerate, sandstone
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| Chemical Rocks | sedimentary rocks made by chemicals
*rock salt and chert
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| Pumice | extrusive igneous rock
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| Granite | intrusive igneous rock
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| Obsidian | extrusive igneous rock
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| Fine-grained | igneous rocks with small crystals
*extrusive
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| Coarse-grained | igneous rocks with large crystals
*intrusive
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| Sandstone | clastic, sedimentary rock made from sand
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| Conglomerate | clastic, sedimentary rock made from pebbles
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| Rock Salt | chemical, sedimentary rock
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| Slate | foliated, metamorphic rock made from shale
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| Marble | non-foliated, metamorphic rock made from limestone
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| Gneiss | foliated, metamorphic rock made from granite
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| Surface mining | mining done on the surface
strip mining and panning
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| Deep mining | mining done deep in the Earth
drilling, digging, and blasting
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| Ore | a substance mined for a valuable mineral
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| Copper | main mineral mined in Arizona
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| Diamond | hardest mineral
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| MOHS hardness scale | a scale used to find the hardness of a mineral (1-10)
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| Fluorescence | a mineral test that uses a UV light
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| Magnetism | a mineral test that determines if the mineral is magnetite
*use a compass or a magnet
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| Acid Test | a mineral test that uses acid to determine if the mineral has carbonate in it
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