Term
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Definition
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Term
| Any part or mark of a living thing that is naturally preserved after it dies |
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Definition
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Term
| The characteristics of minerals that are used to identify them |
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Definition
hardness
crystal shape
color
streak |
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Term
| The remains of living things that have died and decayed |
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Definition
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Term
| Forms when hot, melted rock cools |
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Definition
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Term
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Definition
marble
slate
quartzite
gneiss |
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Term
| Forms when other rocks are changed by great heat and pressure |
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Definition
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Term
| Solid materials in nature that were never alive |
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Definition
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Term
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Definition
pumice
granite
obsidian
basalt |
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Term
| Hard pieces of the earth's crust |
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Definition
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Term
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Definition
sandstone
limestone
shale
conglomerate |
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Term
| Forms when layers of sediment are pressed together and harden |
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Definition
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Term
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Definition
small bits of broken rock
humus
air
water |
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Term
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Definition
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Term
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Definition
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Term
| An opening in the earth that allows hot, melted rock to come to the surface |
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Definition
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Term
| Things that can weather rock |
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Definition
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Term
| The breaking down of rocks |
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Definition
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