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Science ch.21
vocab words
| Question | Answer |
|---|---|
| groundwater | any water from natural resources found underground |
| hydrolic system | natural water cycle |
| water table | the level below which the ground is saturated with ground water |
| spring | where a water table intersects with the ground |
| zone of aeration | zone within the ground above a water table of which the spaces between soil particles are filled with air |
| zone of saturation | ground below the water table |
| capillary frings | the zone within soil horizons imediatley above the zone of saturation |
| porous | having many small open spaces |
| permeable | describes rock where size and numbers of interconnected probes are sufficient |
| impermeable | describes a rock of which liquids and gas cannot penetrate |
| perched water table | a second water table perching on top of an impermeable layer |
| artesian well | a well sunk into a rock where pressure pushes the water back upwards |
| cone of depression | an inverted cone-shaped lowering water table |
| recharge zone | an area where rain water and stream water seep through the ground to resupply groundwater |
| solvent | a substance that breaks down other substances into their constituent particles |
| cave | an underground tunnel or chamber |
| dripstone | cave deposits that are formed by precipitation |
| flowstone | cave formation containing depostits keft by a thin film of water |
| speleotherm | any cave formation deposited by dripping or flowing water |
| stalacite | a mineral formation hanging from the ceiling of a cave |
| column | a cave formation that forms when a stalagmite merges with a stalagcite |
| curtain | a thin sheet of dripstone that hanges from the ceiling of a cave |
| shield | a flat rounded deposite of calcium carbonate attached to a cave ceiling, wall, or floor |
| bacon | a stripped ribbon of flowstone in a cave that looks like strips of salted bacon |
| shelf | a cave formation of flat deposites of calcite that precipitated on the surfce of salted water |
| spelunker | a person who explores and maps caves as a hobby |
| karst topography | topography in soluble nonclastic sedimentary rocks |
| sinkhole | a depression in the ground that occurs when the roof of a solutionable cave collapses at a single point |
| natural bridge | a selection of stone that arches over a narrow walled valley |
| disapearing bridge | *(NO defiition found)* |
| streamless valley | A karsk valley that contains an abandoned stream bed |
| appearing stream | a stream that seems to flow directly out of a hillside |
Created by:
Alexandria Simmons
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