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6thgrade water cycle

Water Cycle The continual movement of water among Earth's atmosphere, oceans and land surface through evaporation, condensation, and precipitaion.
Precipitation Any form of water that falls from clouds and reaches Earth's surface
Groundwater Water that fills the cracks and spaces in underground soil and rock layers
Tributary A stream or smaller river that feeds into a main river
Watershed The land area that supplies water to a river system
Divide A ridge of land that separates one watershed from another
Habitat The place where an organisms live and where it obtains all the things it needs to survive
Reservoir A lake that stores water for human use
Wetland A land area that is covered with a shallow layer of water during some or all of the year
permeable Characteristic of a material that is full of tiny connected air spaces that water can seep through
Impermeable A characteristic of materials, such as clay and granite, through which water does not easily pass
Saturated Zone A layer of permeable rock or soil in which the cracks and pores are totally filled with water
Water table The top of the saturated zone, or depth to the groundwater under Earth's surface
Unsaturated Zone A layer of rocks and soil above the water and able in which the pores contain air as well as water
Spring A place where groundwater flows to the surface
Aquifer An underground layer of rock or sediment that holds water
Artesian well A well in which water rises because of pressure within the aquifer
Geyser A fountain of water and steam that builds up pressure underground and erupts at regular intervals
Irrigation The process of supplying water to areas of land make them suitable for growing crops
Conservation The practice of using less of a resource so that it will not be used up
Water pollution The addition of any substance that has a negative effect on water or the living things that depend on the water
Pollutant A harmful substance in the air,water, or soil
Point Source A specific source of pollution that can be identified
Nonpoint Source A widely spread source of pollution that is difficult to link to a specific point of origin
Created by: 100024