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13 Cards in this Set
- Front
- Back
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Mineral |
A solid nonliving substance that occurs naturally in rock or in the ground |
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Rock |
A solid substance that is made up of one or more minerals. |
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Igneous |
A type of rock that forms from melted rock that cools and hardens |
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Sedimentary |
A type of rock that forms when layers of sediment are pressed together |
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Metamorphic |
A type of rock that forms when heat or pressure changes an existing rock |
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Rock Cycle |
The sequence of processes that change rocks from one type to another over a long period |
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Weathering |
The breaking down of rocks into smaller pieces on earth's surface. |
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Erosion |
The process of moving sediment from one place to another |
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Hummus |
The remains of decayed plants and animals in the soil |
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Horizon |
A layer of soil |
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Bedrock |
The soil rock that forms earth's surface |
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Sand |
The largest particles that make up soil |
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Clay |
The smallest particle that make up soil |
