| Term | Definition |
|---|
| semipermeable | allows precipitation to slowly pass through and form groundwater reserves |
| impermeable | does not allow precipitation to pass through; aquifiers form above this soil |
| hot spring | a body of water that contains a high concentration of dissolved mineral matter |
| fumarole | cracks in the ground that allow steam and hot gas to escape; common around geysers and in volcanic regions |
| cavern | Formed when groundwater mixes with gases and minerals to form a solution that dissolves rock. |
| limestone | Caverns are usually found in this type of rock. |
| stalactites | attach to the top of a cavern ceiling and hang down |
| stalagmites | grow up from the bottom of a cavern floor due to the deposit of minerals over time |
| sinkhole | This is formed when a cavern roof collapses. |
| Wyoming | Old Faithful is located in Yellowstone National Park in the state of _______. |
| New Mexico | Carlsbad Caverns is located in the state of _______. |
| water table | the top of an aquifer |
| spring | formed when the level of land drops below the level of the water table |
| oasis | brings water to the surface through a fissure in the land |
| geyser | results when underground water is heated by geothermal energy |
| aquifer | unerground water |
| artesian | A drilled water well that allows water to rise to the surface without using a pump. |
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