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18 week assessment:
18 Week- Assessment Vocab __ Science - 8th grade.
Term | Definition |
---|---|
Crystalline- | A rock full of crystals. |
Intrusive- | Magma that cools inside the earths surface. |
Extrusive- | Lava that cools outside of the earths surface. |
Coarse Grained- | Rough feeling or texture. (granite.) |
Fine Grained- | Fine smooth, nice feeling grain. (rhyolite.) |
Porphyritic- |