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Freshwater flashcard

vocab project for ch.10

What is the Water Cycle? The continual movement of water among earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation.
What is precipitation? Any form of water that falls from clouds and reaches Earth's surface.
What is groundwater? The water that fills the cracks and spaces in underground soil and rock layers.
What is a tributary? A stream or smaller river that feeds into a main river.
What is a watershed? The land area that supplies water to a river system.
What is a divide? A ridge of land that separates two watersheds.
What is a habitat? The place where an organism lives and where it obtains all the things it needs to survive.
What is a reservoir? A lake that stores water for human use.
What is a wetland? A land area that is covered with a shallow layer of water during some or all of a year.
What is permeable? A characteristic of a material that is full of tiny, connected air spaces that water can seep through.
What is impermeable? A characteristic of materials through which water does not easily pass.
What is a saturated zone? A layer of permeable rock or soil in which the cracks and pores are totally filled with water.
What is a water table? The top of a saturated zone, or depth to the groundwater under earth's surface.
What is an unsaturated zone? A layer of rocks and soil above the water table in which the pores contain air as well as water.
What is a spring? A place where groundwater flows to the surface.
What is an aquifer? An underground layer of rock or sediment that holds water.
What is an artesian well? A well in which water rises due to pressure within an aquifer.
What is a geyser? A fountain of water and steam that builds up pressure underground and erupts at regular intervals.
What is irrigation? The process of supplying water to areas of land to make them suitable for growing crops.
What is conservation? The process of using less of a resource so it will not be used up.
What is water pollution? The addition to any substance that has a negative affect on water or the living things that depend on water.
What is a pollutant? A harmful substance in the air, water, or soil.
What is a point source? A specific source of pollution that can be identified.
What is a nonpoint source? A widely spread source of pollution that is difficult to link to a specific point of origin.
Created by: 073231