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Science Key Terms
| Question | Answer |
|---|---|
| Clay | sediment that is produced by physical weathering of rock.The particle size of this is smaller than silt. |
| erosion | involves the processes that move weathered material from place to place. Occurs through the forces of gravity, wind, ice, water and human actions. |
| gravel | is sediment produced by physical weathering. Has large particles and is considered loose rock that is larger than 2mm and smaller than 64 mm. |
| mineral | is a solid element or compound with a unique structure of atoms. Formed by natural processes and are the building blocks of rocks. |
| particle size | is the size of each grain of a sediment. the size decreases from gravel to sand to silt and finally to clay. |
| properties | are characteristics by which matter is described. Hardness, size, color, shape, flexibility, state of matter, odor, mass and volume. |
| rock | is a natural solid earth material that is made of one or more different minerals. |
| sand | is sediment produced by physical weathering of rock. Feels gritty to the touch. |
| sediment | is made of small pieces of broken rocks created by wind, water, or ice and carried to other locations. includes gravel, sand, silt and clay. |
| silt | is a sediment that is produced by physical weathering of rock. Often deposited in the bottom of bodies of water. |
| weathering | includes the processes that cause minerals and rocks to become smaller. Includes the actions of frost, plant roots, thermal expansion, gases and moving water and wind. |
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qdoenges
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