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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. |