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Unit 1 Chapters 7/8
Rocks and Minerals and Natural Resources
| Definition | Term |
|---|---|
| Any characteristic of a material that you can observe without changing the identity of the material. | Physical Property |
| Inorganic, solid material found in nature that always has the same chemical makeup. | Mineral |
| Solid, inorganic material that is usually made of two or more minerals. | Rock |
| Solid material with atoms arranged in a repeating pattern. | Crystal |
| Rare, valuable mineral that can be cut and polished. | Gem |
| Material that contains enough of a useful metal that it can be mined and sold at a profit. | Ore |
| Molten rock material that exists at or above Earth's surface. | Lava |
| Rock that is produced when melted rock from inside Earth cools and hardens. | Igneous Rock |
| Describes igneous rocks that have small or no crystals and form when melted rock cools quickly on Earth's surface. | Extrusive |
| Describes a type of igneous rock that generally contains large crystals and forms when magma cools slowly beneath Earth's surface. | Intrusive |
| A type of rock made from pieces of other rocks, dissolved minerals, or plant and animal matter that collect to form rock layers. | Sedimentary Rock |
| Force applied over a given area. | Pressure |
| New rock that forms when existing rock is heated or squeezed. | Metamorphic Rock |
| Diagram that shows the slow, continuous process of rocks changing from one type to another. | Rock Cycle |
| A material that provides useful energy. | Fuel |
| Nonrenewable energy resource, such as oil and coal, formed over millions of years from the remains of dead plants and other organisms. | Fossil Fuel |
| Sedimentary rock formed from decayed plant material. | Coal |
| Liquid fossil fuel formed from marine organisms that is burned to obtain energy and used in the manufacture of plastics. | Oil |
| Fossil fuel formed from marine organisms that is often found in tilted or folded rock layers and is used for heating and cooking. | Natural Gas |
| Amount of a fossil fuel that can be extracted from Earth at a profit using current technology. | Reserve |
| Alternative energy source that is based on atomic fission. | Nuclear Energy |
Created by:
rwaters
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