Water Cycle and Groundwater
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ACROSS
1. Neverending.
3. An artificial opening used to access groundwater.
6. H20
9. One kind of solid precipitation.
11. The ability of a material to transmit fluids is its ____.
12. The ratio of empty space in a rock to the total volume of the rock.
13. The upper boundary between the zone of saturation and the zone of aeration.
15. Water tables drop during these dry conditions.
18. 97.2% of Earth's water is here.
20. A natural groundwater access.
21. Snow and glaciers.
22. The process whereby invisible gas is converted into visible liquid.
23. The process whereby water percolates into the ground.
24. An area where the topography contains sinkholes, caves, and caverns.
25. A water table that is elevated above the main water table by a low-permeability layer of rock or soil.
 DOWN
1. A small cavern.
2. The process whereby visible liquid is converted into an invisible gas.
4. A solution formed by water that has percolated through soil that contains water-soluble substances.
5. Rain or snow are examples.
7. Water-bearing underground layer through which groundwater can flow.
8. Streams and rivers.
9. A land surface that is lowered by groundwater removal will ____.
10. The natural circulation of water through the environment.
14. A confined aquifer where the groundwater is under pressure.
16. Liquid precipitation.
17. 98.5 percent of the Earth's non-ice fresh water.
19. Calcium _____ rocks can be dissolved by naturally acidic groundwater.

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