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allison test
| Question | Answer |
|---|---|
| what does naturally occuring mean? | not made by man, formed by process that occurs in the natural world. |
| What does inorganic mean? | Minerals cannot form from materials that were once part of a living thing. |
| why is coal not a mineral? | crystal struture and organic made from dies animals and plants. |
| what is a solid? | minerals that a thick and a definite volume and shape. |
| what does crystal structure mean? | the particles line up in a pattern that repeats over and over. |
| what does the pattern that a crystal structure make called? | a crystal |
| what is a mineral? | crystal structure, definite chemical compostion, naturally occuring, and soild |
| what does chemical composition mean? | a substance composed of a single kind of atom, 2 or more elements are combined. |
| how do you identifying mineral? | 9 characterstics color, streak, luster, density, hardness, crystal system, cleavage, fracture, and special properties. |
| what is the softest mineral? | talc |
| what is the hardest mineral? | diamond |
| what is the name of test used to test hardness? | mohs hardness scale |
| what tools do geologist need to test hardness? | fingernails, penny, file, nail,and glass |
| how do geologists classify crystal structure? | based on the number and angle of the crystal faces. |
| How many groups do geologists classify crystal into? | 6 |
| what is the crystal system of halite? | 6 square faces meet at right angle, forming a perfect cube. |
| how do you identify cleavage? | the way mineral breaks apart can help, and mineral that splits easily along flat surface. |
| what is fracture? | describes how minerals looks when it breaks apart an irregular way. |
| what are 2 ways minerals form? | magma cools inside crust, and lava hardens on surface. |
| how is geode formed? | water containing dissolved minerals seeps into a crack or hollow in a rock. |
| what is a geode? | rounded hollow rock lined with minerals crystals on the inside. |
| what do minerals form? | magma and lava, and solutions |
| how are minerals formed by hot magma? | maga deep under earth crust cools slower over millions of years. so cooling lead to the creation large crystalls. growing atom by atom. |
| how are minerals formed from cooled magma? | with rapid cooling smaller crystals form. |
| what happens to the cooled liquid? | magma close to earth surface cools quicker. lava on earth surface cools even quicker. |
| what is a solution? | mixture in which one substance is dissolved into another. |
| what are some examples of a solution? | ocean, kool-aid |
| what dissolves in the solutions to form solutions? (2) | elements and compounds |
Created by:
robin44
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