Shared Flashcard Set

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Leo Piazza
Rocks
34
Science
7th Grade
01/14/2014

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Cards

Term
Magma
Definition
Molten rock below the earth's surface
Term
Lava
Definition
Molten rock above the earth's surface
Term
Weathering
Definition
Rock broken down by water, wind, and ice
Term
Erosion
Definition
Movement of sediment by wind or water
Term
Igneous
Definition
Cooled magma or lava
Term
Metamorphic
Definition
Rock formed by heat and pressure
Term
Sedimentary
Definition
Compacted/ cemented sediment
Term
Rock Cycle
Definition
Process that change/ creates rocks
Term
Intrusive
Definition
Form from cooled magma -have crystals
Term
Extrusive
Definition
Form from cooled lava -no crystals
Term
Granite
Definition
A igneous rock made from an intrusive rock with crystals
Term
Basalt
Definition
A dark igneous rock
Term
Obsidian
Definition
A igneous rock made from volcanic glass
Term
Pumice
Definition
A igneous rock made from solidified ash
Term
Scoria
Definition
A igneous rock that has air holes -solidified foam
Term
Crystal Size
Definition
Cooling rate
Term
Detrital sedimentary rocks
Definition
Made up of sediment
Term
Conglomerate
Definition
A sedimentary rock with large pebbles (smooth)
Term
Sandstone
Definition
A sedimentary rock made of sand (quarts, feldspar)
Term
Shale
Definition
A sedimentary rock made from mud, clay and sediment
Term
Chemical sedimentary rocks
Definition
Form from dissolved minerals
Term
Limestone
Definition
A chemical sedimentary rock made from Caco3 (calcium carbonate)
Term
Halite (rock cycle)
Definition
A chemical sedimentary rock made from salt
Term
Organic
Definition
Made by animals or plants
Term
Coal
Definition
A organic rock made from dead plants
Term
Pressure
Definition
Overlaying layers
Term
Heat
Definition
Magma below
Term
Foliated metamorphic rock
Definition
Has layers or bands
Term
Non-foliated metamorphic rocks
Definition
No layers or bands
Term
Slate
Definition
Foliated rock made from shale
Term
Schist
Definition
Foliated rock made from mica
Term
Gneiss
Definition
Foliated rock made from granite
Term
Marble
Definition
Non-foliated rock made from limestone
Term
Quartzite
Definition
Non-foliated rock made from sandstone
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