| Term | Definition |
|---|
| hydrosphere | all of the water on earth |
| where is the majority of water on earth found? what %? | oceans 97% |
| storage | areas on earth where resources are kept for later use |
| two examples of storage | ocean, rivers, glaciers |
| flux | the continuous change or movement |
| water cycle | natural sequence where water passes into the atmosphere as water vapor |
| driving force behind water cycle | solar energy from the sun |
| evaporation | the conversion of water from liquid to gas |
| where does the majority of evaporation take place? %? | oceans 80% |
| transpiration | process by which plants give off water vapor into the atmosphere |
| evapotranspiration | the total process |
| condensation | conversion of water from gas to liquid |
| cold or or warm air hold more water | warm air |
| precipitation | transfer of water from atmosphere back to earth |
| where does majority of precipitation fall? %? | oceans 75% |
| groundwater | water that has soaked deep into the soil and rock underground |
| zone of aeration | partially filled with air/water |
| zone of saturation | all open pores and spaces filled with water |
| water table | the boundary between the zone of aeration and the zone of saturation |
| runoff | water that flows over land into streams, rivers, and lakes |
| reservoir | a natural or artificial lake that stores freshwater for human use |
| aquifer | an underground layer of rock or soil that holds water |
| standards of water quality | appearance, taste, odor, acidity, hardness, disease-causing organisms |
| acidity | pH of water |
| hard water | water with a high amount of calcium and magnesium |
| sewage | water that has been used |
| sanitary sewers | carry sewage away from homes |
| storm drain | drains rainwater and runoff |
| pollutant | any substance that has a negative effect on water and living things that depend on water |
| point source of pollution | a specific source of pollution that can be identified |
| nonpoint source of pollution | widespread source of pollution that cannot be tied to a specific point of origin |
Combine with other sets
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