Science Vocab week 8 q. 2
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Created by:
summerluv418 on January 6, 2011
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21 terms
Terms | Definitions |
|---|---|
 conductivity | ability to conduct electricity |
| total dissolved solids | The amount of substance disolved in the water |
| total suspended solids | The amount of solids suspended in the water |
| acid | any substance with a pH lower than 7 |
| base | any substance that has a pH above 7 |
| neutral | substance with a pH of 7 |
| pH | measure of how acidic or basic a solution is, ranging in a scale from 0 to 14 |
| Buffer | compound that prevents sharp, sudden changes in pH |
| Point source pollution | pollution that enters water from a known source. |
| Non-point source pollution | pollution that enters water not from a single location |
| thermal pollution | excessive heating of a body of water |
| turbidity | The cloudiness of water. |
| Secchi disk | black white disk used to measure the turbidity |
| dissolved oxygen | oxygen that is mixed into the water |
| microorganisms | tiny living things that can be seen only with a microscope |
| phosphates | insoluble |
| nitrates | Special compounds containing nitrogen and oxygen |
| eutrophication | an increase in algae growth as a result of an increase in nutrients |
| bacteria | microscopic single-celled organisms |
| bioindicators | a living organism that is able to indicate if environment is healthy or not |
| Macroinvertebrates | organisms able to be seen without a microscope |
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