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Science Key Terms

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.
Created by: qdoenges