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Ch. 11 Vocabulary

Ch. 11 Vocabulary . Erosion. process by which wind, water, ice, or gravity transports soil and sediment from one location to another. Water cycle. continuous movement of water from the ocean to the atmosphere to the land and back to the ocean. Tributary.

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Ch. 11 Vocabulary

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  1. Ch. 11 Vocabulary

  2. Erosion • process by which wind, water, ice, or gravity transports soil and sediment from one location to another

  3. Water cycle • continuous movement of water from the ocean to the atmosphere to the land and back to the ocean

  4. Tributary • stream that flows into a lake or larger stream

  5. Channel • path that a stream follows

  6. Divide • boundary between drainage areas that have streams that flow in opposite directions

  7. Load • materials carried by a stream

  8. Deposition • process by which material is laid down

  9. Watershed • area of land that is drained by a water system

  10. Alluvial fan • fan shaped mass of material deposited by a stream when the slope of the land decreases sharply

  11. Floodplain • area along a ricer that forms from sediments deposited when the river overflows its banks

  12. Water table • upper surface of underground water

  13. Delta • fan-shaped mass of material deposited at the mouth of a stream

  14. Porosity • percentage of the total volume of a rock or sediment that consists of open spaces

  15. Aquifer • body of rock or sediment that stores groundwater and allows the flow of groundwater

  16. Point-source pollution • pollution that comes from a specific site

  17. Permeability • ability of a rock or sediment to let fluids pass through its open spaces, or pores

  18. Artesian spring • spring whose water flows from a crack in the cap rock over the aquifer

  19. Recharge zone • area in which water travels downward to become part of an aquifer

  20. Sewage treatment plant • facility that cleans waste materials found in water that comes from sewers or drains

  21. Non point source pollution • pollution that comes from many sources rather than one single, specific site

  22. Septic tank • tank that separates solid wastes from liquids and that has bacteria that break down the solid waste

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