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16 Cards in this Set
- Front
- Back
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mineral |
any naturally occurring inorganic material |
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molten |
has melted because of heat and become liquid |
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magma |
molten material within the earth |
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lava |
molten rock ejected by a volcano from its crater or fissures |
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igneous |
formed by solidification of magma |
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Obsidian |
a dark coloured igneous rock formed when magma cools quickly |
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sediment |
the matter that settles to the bottom of a liquid |
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sedimentary |
form from deposits of sediments |
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fossils |
preserved materials of past geological age |
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metamorphic rocks |
rocks from deep inside the Earth due to the change in pressure and temperature |
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gneiss( pronounced nice) |
a metamorphic rock formed from granite |
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ore |
naturally occurring mineral containing a valuable constituent |
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magnetite |
an ore of iron |
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swamps |
a wet land open partially or intermittently covered with water |
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extract |
to remove a substance from another substance |
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hazard |
a source of danger |
