Properties of Water
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Created by:
sierramist19028 on April 19, 2010
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35 terms
Terms | Definitions |
|---|---|
 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 |
| Solution | A mixture that forms when one substance dissolves another. |
| Solvent | 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 |
| Evaporation | The process by which molecules at the surface of a liquid absorb enough energy to change to the gaseous state. |
| Condensation | The change of state from a gas to a liquid |
| Transpiration | The process by which plants give off water vapor through their leaves |
| Precipitation | Water that falls to earth as rain, snow, hail, or sleet |
| groundwater | water that fills the cracks and spaces in underground soil and rock layers |
| watershed | the land area that supplies water to a river system |
| tributary | a smaller stream or river that feeds into a main river |
| wetland | 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 |
| aquifer | 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 |
| permeable | characteristics of a material that is full of tiny, connected air spaces that water can seep through. |
| impermeable | a characteristic of materials, through which water does not easily pass |
| runoff | the draining away of water |
| infiltration | when a portion of the precipitation that reaches the earths surface and seeps into the ground |
| Accumulation | 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 | 97% |
| % of fresh water on earth | 3% |
| 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 |
| Marsh | an area of low-lying land that is flooded in wet seasons or at high tied, and typically remains waterlogged at all times |
| Swamp | an area of low-lying, uncultivated ground where water collects; bog or marsh |
| Bog | wet muddy ground too soft to support heavy body |
| Largest wetland in US | Florida Everglades |
| Spring | places where groundwater bubbles or flows out of cracks in the rock |
| Geyser | a type of hot spring from which the water bursts periodically into the air. |
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