| Term | Definition |
| Impermeable | Made of clay, water can't pass at all. |
| Permeable | Made of gravel or Sand, water passes easily. |
| Saturated Zone | The subsurface zone in which all rock openings are filled with water. |
| Surface Water | A layer of water that is above ground |
| Surficial | An aquifer system pertaining to or occurring on or near the earth's surface |
| Unsaturated Soil | An area where water runs off naturally |
| Unsaturated Zone | The layer of rock or soil above the water table |
| Water Table | Underground surface below which the ground is wholly saturated with water |
| Zone of Aeration | Soil that is unsaturated and above the water filled zone. |
| Hydraulically | Is powered by water. |
| Zone of Saturation | All areas in the ground are filled with water |
| Confined Aquifer | Area where water rises automatically when drilled. |
| Limestone | Hard rock made from ocean organisms |
| Unconfined Aquifer | Water does not rise automatically, has to be pumped out. |
| Hard water | water that contains salts (as calcium and magnesium ions) that limit the formation of lather with soap |
| Solvent | a liquid substance capable of dissolving other substances |
| Continental Glaciers | A thick sheet of ice covering a mass of land all year round; found ONLY in Greenland and Antarctica! |
| Valley Glaciers | A long relatively narrow ribbon of ice that is confined between valley walls, usually fed by cirque glaciers or functions as an outlet glacier for ice fields, ice caps or ice sheets. |
| Surface Runoff | The water flow that occurs when soil is infiltrated to full capacity. |
| Soft Water | water that is not hard (does not contain salts that interfere with the formation of lather with soap) |
| Precipitation | the quantity of water falling to earth at a specific place within a specified period of time |
| Condensation | the act of increasing the density of something |
| Transpiration | the emission of water vapor from the leaves of plants |
| Evaporation | the process of extracting moisture |
| Ground Water | underground water that is held in the soil and in pervious rocks |
| Aquifer | underground bed or layer yielding ground water for wells and springs etc |
| Sink Hole | A depression created at Earth's surface when an underground cavern collapses. |
| Karst System | area of limestone that has been eroded to produce sinkholes and caves |
| Blue Springs | a city in west centeral Misouri, east of Kansas City |
| Reservoirs | a place where water can be collected and stored for later use |
| Domestic | of or involving the home or family |
| Flood Irrigation | water is purposely poured through canals and waterways so that it flows through fields |
| Drip Irrigation | a proccess by which pipes placed near plant roots drip only as much water as the plants need. |
| Center Pivot System | A system that moves a drip irrigation system back and fourth to water plants. |