Terms : Hide Images
| 8468746148 | Goundwater | Water held underground in the soil or in pores and crevices in rock. | 0 | |
| 8468746149 | Surface Water | Water that collects on the surface of the ground. | 1 | |
| 8468753347 | Dams | A barrier that runs across a river or stream to control the flow of water. |  | 2 |
| 8468753348 | Levees | An enlarged bank built up on each side of a river. |  | 3 |
| 8468756294 | Dikes | A structure built to prevent ocean water from flooding adjacent land. |  | 4 |
| 8468756295 | Aqueducts | A canal or ditch used to carry water from one location to another |  | 5 |
| 8468762589 | Desalination | The process of removing the salt from salt water. | 6 | |
| 8468958567 | Reverse Osmosis | A process of desalination in which water is forced through a thin semipermeable membrane at high pressure. | 7 | |
| 8468875334 | Distillation | A process of desalinization in which water is boiled and the resulting steam is captured and condensed to yield pure water. | 8 | |
| 8468834944 | Artesian Well | A well created by drilling a hole into a confined aquifer. |  | 9 |
| 8468840871 | Aquifer | A permeable layer of rock and sediment that contains groundwater. | 10 | |
| 8468900717 | Water Table | The uppermost level at which the water in a given area fully saturates rock or soil. | 11 | |
| 8468910531 | Cone of Depression | An area lacking groundwater due to rapid withdrawal by a well. | 12 | |
| 8468920449 | Saltwater Intrusion | An infiltration of salt water in an area where groundwater pressure has been reduced from extensive drilling of wells. |  | 13 |
| 8468936277 | Floodplain | The land adjacent to a river. | 14 | |
| 8468948195 | Reservoir | A body of water created by the damming of a river or stream. |  | 15 |
| 8468995604 | Hydroponic Agriculture | The cultivation of plants in greenhouse conditions by immersing roots in a nutrient-rich solution. |  | 16 |
| 8469029693 | Furrow Irrigation | Dug ditches or furrows along crop rows, and then filled with water, which then seeps into the ground and provides moisture to plant roots. |  | 17 |
| 8469042871 | Flood Irrigation | Flooding entire fields and letting the water soak in evenly. |  | 18 |
| 8469072308 | Spray Irrigation | Water is pumped from a well into an apparatus that contains a series of spray nozzles that spray water across fields. |  | 19 |
| 8469092926 | Drip Irrigation | A slow dripping hose that is either laid on the ground or buried beneath the soil. |  | 20 |
