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Rocks
Will Sharps
33
Science
7th Grade
01/13/2014

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Cards

Term
Rock Cycle
Definition
Process that changes rocks
Term
Erosion
Definition
Movement of sediment by wind, water, or ice
Term
Weathering
Definition
Rock brocken by water, wind or ice
Term
Igneous
Definition
Cooled magma or lava
Term
Metamorphic
Definition
Formed by heat and pressure
Term
Sedimentary
Definition
Compacted sediment
Term
Magma
Definition
Molten rock below the earth's surface
Term
Lava
Definition
Molten rock above the Earth's surface
Term
Intrusive
Definition
form from magma=have crystals
Term
Granite
Definition
Intrusive has crystals
Term
Extrusive
Definition
form from lava=no crystals
Term
Obsidian
Definition
Volcanic glass
Term
Basalt
Definition
Dark rock
Term
Scoria
Definition
has holes from air bubbles while forming
Term
Pumice
Definition
Solidified ash
Term
T/F Crystal size depends on cooling speed
Definition
T
Term
Detrital Sed Rocks
Definition
sedimentary rocks that form from sediments
Term
Conglomerate
Definition
Detrital sedimentary rock with pebbles
Term
Sandstone
Definition
Detrital sedimentary rock with sand
Term
Shale
Definition
Detrital sedimentary rock with mud + clay
Term
Chemical sed rocks
Definition
dissolved minerals come out of solution
Term
Limestone
Definition
Detrital sedimentary rock with CaCo3 (calcium carbonate)
Term
Halite (rock salt)
Definition
Detrital sedimentary rock with salt
Term
Organic sed rocks
Definition
sedimentary rock made by animals and plants
Term
Coal
Definition
detrital sedimentary rock with dead plants
Term
Metamorphic Rocks
Definition
Rocks formed from heat and pressure
Term
Foliated met. rock
Definition
Met. rock that has bands or layers
Term
Slate
Definition
Foliated met. rock made from shale
Term
Schist
Definition
foliated met. rock made from mica
Term
Gneiss
Definition
Foliated met. rock made from granite
Term
Nonfoliated
Definition
Met. rock no layers or bands
Term
Marble
Definition
Nonfoliated met. rock made from limestone
Term
Quartzite
Definition
Nonfoliated met. rock made from sandstone
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