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Rocks and Minerals
Rocks and Minerals Vocabulary and others...
| Term | Definition |
|---|---|
| rock | a naturally, occuring solid made of one or more minerals |
| igneous | a type of rock that is formed by magma and volcanoes |
| sedimentary | rocks formed in sediments and layers that have been cemented together |
| metamorphic | a type of rock formed from high heat and/or pressure deep down |
| sediments | bits of weathered rock that make up the sedimentary type of rock |
| rock cycle | the process of rocks changing from any type of rock to any other type of rock over long periods of time |
| volcano | a hill/mountain made of cooled magma may or may not continue to erupt lava, gases, ashes, etc.; this is also part of the cycle of the igneous rock |
| garnet schist | a medium-grained rock with foliated bands and varying minerals and larger crystals of garnets; metamorphic rock |
| crystals | a piece of rock or other solid substance that usually comes with regular geometric form and symmetrical faces |
| magma | molten rock under the surface of the Earth |
| bands (foliated) | lines in rocks that are really flattened crystals that looks like stripes, found on a metamorphic rock |
| fossils | an imprint of the remains of an organism preserved in rock that once lived and takes a long time to form and is also rare |
| layers | lines of sediment in rocks that are distinguishable from other nearby layers; found on sedimentary rocks |
| weathering | the breaking down of rock into smaller pieces by the natural/physical disasters |
| fluorescence | the emission of radiation that is usually visible light, when exposed to external radiation |
| interlocking crystals | crystals that filled all of the available space in a rock, so it does not possess the geometric shapes; found on igneous rocks |
| gravel | weathered rock pieces, larger than sand grains, with irregular/jagged edges |
| pebbles | weathered rock pieces that are round and are larger than sand grains |
| molten rock | an igneous rock in its liquid form |
| natural resource | anything that is not man-made and is naturally made from nature and is used by humans |
| synthetic | a substance that is only made when scientists try to invent something new, but they make a new material with chemicals in a lab |
| renewable | a resource reproduced quickly and cannot run out |
| nonrenewable | a resource that cannot reproduce quickly and can run out |
Created by:
dkwon32
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