a molecule that has electrically charged areas
the combined force of attraction among water molecules and with the molecules of surrounding materials
the tightness across the surface of water that is caused by the polar molecules pulling on one another
A mixture that forms when one substance dissolves another
the substance that does the dissolving
the ammount of heat needed to increase the temperature of a certain mass of a substance by 1 degree celcius
the process by which molecules at the surface of a liquid absorb enough energy to change to the gaseous state
the process by which a gas changes to a liquid
the process by which plants use water, alomg with carbon dioxide and energy from the sun, to make their own food
the place where it lives and obtains all the things it needs to survive
water that fills the cracks and spaces in underground soil and rock layers
water is given off through the leaves as water vapor in a process
water that falls to earthas rain, snow, hall, or sleet
streams and smaller rivers that feed into a main river
land area that supplies water to a river system
one water shed is separated from another by a ridge of land
a lake that stores water for human use
are substances such as nitrogen and phophorus that enable plants plants and algae to grow
over many years, the nutrients built up in the lake in a process
A land area that is covered with a shallow layer of water during some or all of the year.
a characteristic of material such as sand and gravel though which water easily passes
water cannot pass through easily
the area of permeable rock or soil that is totally filled or saturated with water
the top of the saturated zone
the layer of rocks and soil above the water table
any underground layer of rock or sediment that holds water
a well in which water rises because of pressure within the aquifer
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