| A | B |
|---|
| water cycle | the moverment of water between the atmosphere and the earth's surface |
| evaporation | changing form a liquid to a gas |
| condensation | changing from a gas to a liquid |
| precipitation | moisture that falls to the earth from the atmosphere |
| transpiration | process in which water moves from the inside of leaves to the outside |
| infiltration | the seepage of water into soil or rock |
| sublimation | a change directly from the solid to the gaseous state without becoming liquid |
| groundwater | water that sinks into the ground |
| drainage basin or watershed | a land area that drains into a river swamp, march, ocean |
| runoff | water that runs over the earth's surface and flows into streams |
| reservoir | artificial lake created by placing a dam across a river |
| tributary | river that joins another river of equal or greater size |
| porus | containing many spaces through which air and water can move |
| Turbidity | A measure of how much light passes through water |
| Disolved oxygen | important water quality paramter with state standard of 6ppm |
| nitrogen and phosphates | two groups of nutriants that promote plant growth in streams and lakes |
| pH | A measure of how acid or alkiline water is |
| point source polution | you can point to the source of polution, such as a pipe or smokestack |
| non point source polution | polution carried to body of water or ground water by run off |
| Greenfield Lake water shed | Watershed our school is in |
| Wilmington wateshed that lies south of Greenfield lake watershed and Hewlets creek watershed | Barnards Creek watershed |
| Key characteristic of temperature in cold water lakes | water quality paramater that is highly stratified in cold water lakes |
| Biochemical Oxygen Demand | Measure of how much oxygen is being used up by microorganisms |
| Solution | Mixture of two or more things in which the solute is held to the solvent by week chemical bonds |
| Solvent | Part of solution there is the most of |
| Solute | Part of solution in smaller quantity |
| Coliform bacteria | Bacteria found in poop of warm blooded animals |
| Source of phosphates that is not also a source for nitrates | Detergents and strong soaps |
| Most abundant dissolved solid in oceans | Chlorine |
| second most abundant dissolved solid in oceans | Sodium |
| third most abundant dissolved solid in oceans | magnesium |
| One of the saltiest parts of the world's ocean | Meidterranean Sea |
| One of the least salty areas in the world's ocan | Hudson Bay |
| Surface Zone of the ocean | Warmest layer of the ocean, up to 300 m thick |
| Ocean Thermocline | middle layer of ocean where temperatures drop |
| Ocean Deep zone | coldest part of ocean, all water 1-3 degrees C |
| SONAR | tool for mapping ocean floor modeled after bats |
| Rift vally | vally between ocean ridges |
| mid-ocean ridges | where tectonic plates pull apart |
