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8th Grade Science
Sedimentary Rocks
| Question | Answer |
|---|---|
| rock cycle | Series of process in which rocks forms, changes from one type to another, is broken down or melted, and forms again by geologic processes |
| sediments | Are loose materials such as rock fragments, mineral grains, and bits of shell |
| weathering | The natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose rocks |
| erosion | The process by which wind, water, ice, or gravity transports soil and sediments from one location to another. |
| sedimentary rock | Forms when sediments are pressed and cemented together, or when minerals form from solutions. |
| detrital/clastic | Made from the broken fragments of other rocks. |
| compaction | Is a process where layers build up as pressure increase the bottom layers stick together to form a solid rock |
| cementation | Is a process where large sediments are connected together through a solution from water and materials that are broken down |
| chemical sedimentary rock | Dissolved minerals collect and left when water evaporates |
| organic sedimentary rock | Rocks made of the remains of once-living things Example chalk, coal |
Created by:
SSC 8th LA
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