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Rock Cycle
Rocks are Kewl E: #2
17
Science
7th Grade
01/28/2014

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Cards

Term
Intrusive
Definition
Igneous rock formed from cooled magma
Term
Extrusive
Definition
Igneous rock formed from cooled lava
Term
Granite
Definition
Intrusive rock with crystals
Term
Obsidian
Definition
Extrusive rock with volcanic grass
Term
Basalt
Definition
Dark extrusive rock
Term
Scoria
Definition
Extrusive rock with air holes of solidified foam
Term
Pumice
Definition
Extrusive rock with solidified foam
Term
Crystal size
Definition
the longer it takes to cool the bigger the crystal size.
Term
Detrital
Definition
sedimentary rocks made up of sediment
Term
Conglomerate
Definition
large pebbles (smooth)
Term
Sandstone
Definition
sand (quartz, feldspar)
Term
Shale
Definition
mud-clay-sediment
Term
Chemical
Definition
sedimentary rocks formed from dissolved minerals
Term
Limestone
Definition
CaCO3 (calcium/carbonate)
Term
Halite
Definition
salt
Term
Organic
Definition
made by animals/plants
Term
Coal
Definition
dead plants
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