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Rocks and Minerals
This study stack will help you learn about Rocks and Minerals.
| Term | Definition |
|---|---|
| weathering | the process in which rocks are broken down into smaller pieces by ice, water, wind, changes in temperature, plants, animals, or by chemicals. |
| lava | hot, liquid rock above the Earth's surface |
| cementation | the heating of two substances in contact in order to effect some change in one of them |
| extrusive rock | igneous rock that has cooled OUTSIDE of the Earth |
| mineral | a non-living, solid material that was formed in nature and has particles arranged in a repeating pattern |
| crystallization | the process in which magma cools and hardens into rock |
| luster | a property of minerals that is used to describe how a mineral reflects light |
| hardness | a measure of how easily a mineral can be scratched according to the Mohs scale |
| magma | hot, liquid rock below the Earth's surface |
| metamorphic rock | rock that is formed by adding heat, pressure, or chemicals to another rock |
| sediment | small pieces of broken down rock |
| crystal | a clear, transparent mineral or glass resembling ice |
| erosion | the process by which the surface of the Earth is worn away by the action of water, glaciers, winds, waves, etc. |
| streak | a portion or layer of something, distinguished by color or nature from the rest |
| geologist | the scientific study of the origin, history, structure, and composition of the Earth |
| igneous rock | rocks that have formed from magma that has cooled |
| cleavage | a physical property of some minerals that causes them to break along smooth, flat surfaces |
| intrusive rock | igneous rock that has cooled INSIDE the Earth |
| rock cycle | a continuous process by which rocks are created, changed form one form to another, destroyed, and then formed again |
| deposition | the process in which moving sedimentary material slows down, or from ice that melts |
| sedimentary rock | rock that is formed by deposition of mineral or organic matter deposited by water, air, or ice |
| lithification | the process of turning sediments into rock |
| compacted | joined or packed together |
| characteristic | distinctive attributes or properties of a thing |
| classify | to put in groups with common properties or characteristics |
| clastic rock | a rock composed of broken pieces of older rocks |
| conduct | to serve as a pathway for electricity or heat to pass through |
| density | mass per unit volume |
| inorganic | not alive |
| nonfoliated | a metamorphic rock that does not appear to be layered |
| magnetism | the property of being magnetic: the power of attraction |
| nonrenewable | not able to be restored, replaced or recommenced |
| property | a quality, attribute, characteristic, or distinctive feature of anything, |
| rock | mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable quantities in nature, as by the action of heat or water |
Created by:
evagriffin10
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