Shared Flashcard Set

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ameck
igneous
5
Science
7th Grade
01/28/2014

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Cards

Term
intrusive
Definition
form from cooled magma (have crystals)
Term
extrusive
Definition
form cooled lava no crystals
Term
granite
Definition
intrusive rock w/crystals
Term
basalt
Definition
dark igneous rock
Term
obsidian
Definition
volcanic glass
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