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13 Cards in this Set
- Front
- Back
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rock
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a solid material made up of one or more minerals
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natural resource
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any useful material from Earth
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soil conservation practices
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contour plowing, strip cropping, dam building, terracing
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soil
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loose material that covers much of the Earth's surface
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layers of the earth
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crust, mantle, outer core, inner core
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mineral
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a natural solid found in the Earth's crust
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renewable resource
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a resource that can be replaced
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ore
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a mineral or rock that contains enough metal to make mining that metal profitable
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fossil fuels
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natural gas, coal, petroleum
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solar energy
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energy from the sun
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nonrenewable resource
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a natural resource that cannot be replaced
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mineral
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a solid, found in nature, that has a definiite chemical makeup
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conservation
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the wise use of natural resources
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