separation of electric charge leading to a molecule having an electric dipole.
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.
A substance the dissolves another substance
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
the top of the saturated zone, or depth to the groundwater under earths surface
an underground layer of rock or soil that holds water
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
area that is totally filled with water.
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
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.