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Dynamic Earth 3.2
The Rock Cycle
Term | Definition |
---|---|
igneous rock | Forms when magma or lava cools and hardens to become solid |
sedimentary rock | Forms when minerals or sediment get pressed and cemented together |
metamorphic rock | Forms when pressure, temperature, or chemical processes change existing rock |
rock cycle | The series of processes in which rock changes from one type into another |
uplift | The rising of regions of the crust to higher elevations |
subsidence | The sinking of regions of the crust to lower elevations |
rift zone | An area where a set of deep cracks form |
weathering | The process by which water, wind, ice, and changes in temperature break down rock into smaller pieces |
erosion | The process by which sediment is moved from one place to another |
deposition | The process by which sediment comes to a rest |