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Unit 5 vocabulary
Water, Atmosphere, food, Air, Pollution
| Term | Definition |
|---|---|
| Surface Water | Water found in lakes, rivers, and streams. |
| Water Shed | An area of land from which water flows into a river. |
| Reservoir | An artificial lake created by building a dam. |
| Aquifers | Underground rock formations that hold water. |
| Recharge Zone | An area of land through which water percolates to be stored as groundwater. |
| Desalinization | The process of removing salt from salt water to make fresh water. |
| Non-point pollution | Water pollution that washes into storm sewers from many places, such as parking lots and lawns. |
| Pathogens | Bacterium, viruses, and parasitic worms that cause disease. |
| Bio-accumulation | A process by which increasing amounts of toxins are stored in the bodies of organisms as toxins move up a food chain. |
| Eutrophication | The process by which nutrients increase in a lake, while oxygen levels decrease. |
| Primary Pollutant | A pollutant released into the air by human activity. |
| Secondary Pollutant | A pollutant formed as a result of chemical reactions in the atmosphere. |
| VOCs (Volatile Organic Compounds) | Toxic fumes released by cars, oil refineries, auto body shops, and dry cleaners. |
| Thermal Vision | An atmosphere condition that traps smog near the surface of the earth and prevents it from dispersing. |
| Smog | An air pollution that hangs over urban areas and reduces visibility. |
| Scrubber | A pollution-control device that removes pollutants by spraying gases with water. |
| Sick Building Syndrome | A severe indoor air pollution caused by inadequate air circulation. |
| Radon | A radioactive gas given off by rocks as uranium decays. |
| Asbestos | A Silica fiber product that can cause lung damage. |
| Acid Precipitation | Rain, snow, or sleet that has reacted with sulfur or nitrogen oxides. |
| Atmosphere | The thin layer of gases that surrounds the earth. |
| Troposphere | The thin layer of the atmosphere closest to earth, which contains the air we breathe. |
| Stratosphere | The part of the atmosphere that contains the ozone layer. |
| Weather | What is happening in the atmosphere at a particular moment. |
| Climate | The average weather in an area over a long period of time. |
| Latitude | The distance from the equator, measured in degrees. |
| Greenhouse Effect | The process by which the atmosphere traps heat from sunlight and keeps the earth warm. |
| Greenhouse Gases | Gases such as carbon dioxide, chlorofluorocarbons, methane, and nitrous oxide. |
| Global Warming | A predicted increase in the earth's average temperature, caused by the release of gases such as carbon dioxide through human activities. |
| Chlorofluorocarbons | Compounds that contain chlorine and destroy ozone in the upper atmosphere. |
| Urban Area | An area with at least 5000 people per square mile. |
| Suburban Sprawl | Rapid growth at the edge of cities. |
| Urban Crisis | The result of cities growing so rapidly that they cannot provide services for all of their citizens |
| infrastructures | Structures such as roads, schools, and power lines built by cities for public use. |
| Land-use Planning | Determining in advance where people will live, where businesses will be clearing trees without replacing them. |
| Deforestation | Clearing trees without replacing them. |
| Selective Cutting | The method of harvesting trees in which only the mature trees are removed. |
| Overgrazing | Allowing so many domestic animals to use range land that it cannot renew itself. |
| Reclamation | Restoring land that has been mined. |
| Wilderness | Area where the land and its ecosystem are protected. |
Created by:
SammyGAdawg
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