FournessTest1(section A?)
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Created by:
Kristie_turkal on September 20, 2010
Description:
vocab
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30 terms
Terms | Definitions |
|---|---|
 Filtration | solid particles are separated from a liquid by passing the mixture through a material that retains the solid particles and allows the liquid to pass through. |
| Filtrate | liquid collected after it has been filtered. |
| Percent Recovery | percent of the original foul water sample that one recovers as purified water. |
| Histogram | a graph with equal subdivisions with bars represented by the number of groups measured. |
| Range | difference between the largest and smallest values in a data set |
| Average | all values added together divided by the sum of the total number of values. also called mean |
| Median | middle value in a data set. |
| Electrical Conductivity | focuses on the presence of dissolved electrically charged particles in water. |
| Tyndall Effect | the ability for a beam of light to scatter when shown upon water |
| Direct Water Use | water use that can be directly measured. |
| Indirect Water Use | hidden uses of water that you may have never considered. |
| Gaseous State | water vapor in the air. |
| Liquid State | form that water is most identified in. lakes, rivers, oceans, clouds, rain. |
| Solid State | ice. |
| Surface Water | water supply originating from a river or other body of water. |
| Ground Water | water supply originating from a well. Must be pumped to surface. |
| Aquifer | water-bearing layer of rock, sand, or gravel. |
| Solution | a homogenous mixture of two or more substances. |
| Solvent | the dissolving agent in a solution. Usually the larger component in a solution. |
| Solute | the dissolved species in a solution. Usually the smaller component in a solution. |
| Soluble | can dissolve in a particular solvent. |
| Insoluble | cannot dissolve in a particular solvent to any appreciable or directly observable extent. |
| Miscible | the property of liquids to mix in all proportions, forming a homogenous solution. |
| Immiscible | not able to mix. |
| Accuracy | ability to get very close to your target. |
| Precision | repeatability of your measurement. |
| Uncertainty | not sure. |
| Element | fundamental chemical substance from which all other substances are made. |
| Mixture | a combination of materials in which each material retains its separate identity. |
| Compound | substance composed of 2 or more elements bonded together in fixed proportions. A compound cannot be broken down into simpler substances by physical means. |
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