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8 Cards in this Set
- Front
- Back
Igneous Rock
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form when melted rock material from inside Eath cools.
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Extrusive Rock
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When melted rock material cools on the Earth's surface
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Intrusive Rock
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When melted rock material cools below Earth's surface.
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Sedimentary Rocks
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Rocks formed when sediment collects in layers
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Detrital Rock
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Rocks made of grains of minerals and other rock that have moved and been deposited in layers by water, ice, gravity, or wind.
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Chemical Rocks
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When seawater, loadedwith dissolved minerals, evaporates some sedimentary rocks form.
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Organic Rocks
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When living matter dies, piles up, and then is compressed into rock.
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Fossils
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A fossil is the remains or trace of a once-living plant or animal.
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