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Rocks & Rock Cycle
Terms to Know
| Term | Definition |
|---|---|
| geologist | a person who studies rocks and minerals and a person who studies how earths crust and how it changes over time. |
| mineral | a solid, nonliving material found in nature that has a defiinite chemical makeup . |
| rock | a solid, nonliving material found in nature that is mad up of minerals. |
| lava | melted rock above the above the surface |
| magma | melted rock below the surface |
| sedimentary rock | formed when sediments are compacted and cemented together over a long period of time , often tells us about the past |
| metamorphic rock | formed under the earth´s surface when hate and presser are applied |
| Igneous Rock | formed when magma cools. 2 Types-Intrusive(formed inside the Earth) and Extrusive(formed outside the Earth) |
| Uplift | vertical elevation of the Earth's surface in response to natural causes |
| Weathering | breaking down rock into smaller pieces (sediment) |
| Erosion | moving of broken down rock by wind, water, ice, gravity |
| Deposition | the laying down of sediment carried by wind, flowing water, the sea or ice. |