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Soil
| Term | Definition |
|---|---|
| Environment | the surroundings in which an organism lives |
| Environment | provides basic things that an organism needs |
| Erosion | the transport of weathered materials by water, wind, ice, or gravity |
| Fertility | the state or capacity for abundant productivity |
| Igneous rock (2 types) | Extrusive igneous and Intrusive igneous |
| Igneous rock | a rock formed from cooled magma |
| Metamorphic rock | a type of rock that forms when rock is exposed to high temperature and pressure |
| Mineral | a naturally-occurring, inorganic, crystalline solid with a definite chemical composition |
| Organic matter | material from living organisms, like plants, animals, etc. |
| Parent rock | the original rock from which something else was formed |
| Particle size | the general dimensions o f the particles or mineral grains in a rock or sediment. |
| pH | measures the acidity of a solution on a scale from 1-14. |
| pH | a pH of 7 is neutral; pH below & is acidic; pH above 7 is basic, or alkaline |
| Rock Cycle | the never-ending cycle in which one rock changes into another type |
| Sedimentary rock | type of rock that forms from layers of sediment compacted and cemented together |
| Soil | the top layer of Earth’s surface containing weathered rock, minerals, organic material, air, and water |
| Texture | an observed physical property that tells how an object feels to the touch |
| Weathering (2 types) | Chemical and Mechanical |
| Weathering | the process by which natural forces break down rocks, minerals, and soil |
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mpmsscience
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