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Polar Molecule

separation of electric charge leading to a molecule having an electric dipole.

Capillary Action

The combined force of attraction among water molecules and with the molecules of surrounding materials

Surface Tension

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.


A substance the dissolves another substance

Specific Heat

The amount of heat needed to to increase the temp. of a certain mass of substance by 1degree C


The process by which molecules at the surface of a liquid absorb enough energy to change to the gaseous state.


The change of state from a gas to a liquid


The process by which plants give off water vapor through their leaves


Water that falls to earth as rain, snow, hail, or sleet


water that fills the cracks and spaces in underground soil and rock layers


the land area that supplies water to a river system


a smaller stream or river that feeds into a main river


a land area that is covered with a shallow layer of water during same of all of the year

water table

the top of the saturated zone, or depth to the groundwater under earths surface


an underground layer of rock or soil that holds water

artesian well

a well in which water rises because of pressure whit in the aquifer


characteristics of a material that is full of tiny, connected air spaces that water can seep through.


a characteristic of materials, through which water does not easily pass


the draining away of water


when a portion of the precipitation that reaches the earths surface and seeps into the ground


the gradual gathering of something

source of oceans salt

as water flows through rivers it picks up mineral salt and then this water goes through the cycle and back into the ocean

% of Salt water of earth


% of fresh water on earth


Largest watershed in US

Mississippi River basin

Saturated zone

area that is totally filled with water.

Unsaturated zone

layer about the water table

Significance of wetlands

wetlands act like a strainer to the bad stuff that doesn't help our environment


an area of low-lying land that is flooded in wet seasons or at high tied, and typically remains waterlogged at all times


an area of low-lying, uncultivated ground where water collects; bog or marsh


wet muddy ground too soft to support heavy body

Largest wetland in US

Florida Everglades


places where groundwater bubbles or flows out of cracks in the rock


a type of hot spring from which the water bursts periodically into the air.

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