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classifying rocks1
| Question | Answer |
|---|---|
| cleavage | a minerals ability to split easily along flat surfaces |
| fracture | the way a mineral looks when it breaks |
| streak | the color of a minerals powder |
| luster | the term that describes how a mineral reflects light from its surface |
| mohs hardness scale | It ranks ten minerals from softest to hardest |
| Crystal | A solid with flat sides that meet at Sharp edges and corners |
| Element | A substance composed of a single kind of atom |
| Flourescence | A minerals ability to glow under ultraviolet |
| Geode | A rounded, hollow rock that is often lined with crystals |
| Crystallization | The process by which atoms are arranged to form a material with a Crystal structure |
| Solid | A substance that keeps its shape because it's particles can't flow freely |
| Solution | A mixture in which one substance dissolves in another |
| Vein | Where minerals from a narrow channel or slab in the rock |
| Inorganic | Because minerals do not come from living things, they are not regular |
| Metamorphic rock | When an existing rock is changed by heart, pressure, or chemical reactions |
| Igneous rock | Forms from the cooling of molten rock |
| Sedimentary rock | When particles of other rocks or the remains of plants and animals are cemented together |
| Texture | The look and feel of the rocks surface |
| Banded | Grains of different colors |
| Non-banded | Grains that occur randomly |
| Coarse-Grained | Magma cools slowly |
| Fine-Grained | lava cools rapidly |
| Exstrusive | Igneous rock formed from lava that erupted onto earth surface |
| Intrusive | Igneous rock formed from magma below earth surface |
| Porphyry | A rock with large crystals |
| Erosion | Water or wind loosen and carry away fragments of rock |
| Deposition | Sediments settle out of water or wind |
| Compaction | Sediments are pressed together in layers |
| Comentation | Dissolved minerals glue glue sediments together |
| Chemical rock | When minerals that are dissolved in a solution crystallize |
| Organic rock | Forms where the remains of plants and animals are deposited in thick layers |
| Folitated | Metamorphic rocks that have grains arranged parallel layers or bands |
| Non-Folitated |
Created by:
jjperry
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