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Science R&M test
Rocks and Minerals
| Question | Answer |
|---|---|
| Acid Rain | Precipitation of relatively high acidity that is formed when airborne oxides of sulfur and nitrogen combine with moisture in the atmosphere. |
| Conglomerate | A rock made of mineral and rock fragments. |
| Crystal | A solid substance in which the particles are arranged in an orderly,repeatable pattern. |
| Crystallization | The process by which crystals are formed. |
| Cubic | A crystal form characterized by three equal axes at right angles to each other. |
| Evaporation | The conversion of a substance from a liquid to a gaseous state. |
| Fossil | The remains, impressions, or other evidence of living things preserved in rock. |
| Hardness | The resistance of the surface of a mineral to scratching by another substance. |
| Hexagonal | A crystal form characterized by three equal lateral axes intersected at 60 degrees and a vertical axis of variable length at right angles. |
| Igneous | A type of rock formed by the cooling and crystallization of molten materials. |
| indigenous | Occuring naturally in a particular place or region. |
| Laser | Light Amplification by Stimulated Emission of Radiation. |
| Lava | Molten rock that flows from volcanos or Earth fissures. |
| Luster | The way a mineral reflects light. |
| Magma | The hot' liquid rock within the Earth's crust. |
| Metallic Luster | Describes a mineral that is usually dark in color, is always opaque, even on its thin edges, and shines like polished metal. |
| Metamorphic | A type of rock formed when igneous, sedimentary, or even other metamorphic rocks are subjected to extreme heat and/or pressure deep below the Earth's surface. |
| Mineral | A naturally occuring,solid,inorganic substance with a definite chemical compisition and usually crystalline in form |
| Mohs scale of hardness | A scale that ranks the hardness of minerals relative to the hardness of other minerals. |
| Monoclinic | A crystal form characterized by three unequal axes with one oblique intersection. |
| Non Metallic Luster | Describes a mineral that is usually light color and whose surface appears glassy,greasy, brilliant pearly silky or dull. |
| Orthorhombic | A crystal form characterized by three unequal axes at right angles to each other. |
| Petrifaction | The process of petrifying,or becoming a fossil (also known as petrifaction) |
| Piezoelectric | A type of electicity generated by applying pressure to a crystalline substance such as quartz. |
| Property | Any quality that serves to describe or define an object, matierial or relationship. |
| Rock | A naturally occuring inorganic solid usually comprised of a mixture of different minerals and other materials. |
| Sedimentary | A type of rock formed by the solidifacation layers of sediment. |
| Silicon | One of the most abundant elements on earth; It's electrical properties enable it to be used in electric properties. |
| Streak | The color of a fine powder of a mineral obtained by scratching or rubbing. |
| Tetragonal | A crystal form characterized by three axes at right angles which only the two lateral angles are equal. |
| Triclinic | A crystal form characterized by three unequal axes intersecting at oblique angles. |
| Weathering | The discoloration or breakdown of rocks and minerals due to the action of water, atmosphere, andorganisims. |
Created by:
scole5
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