Across
- 2. Characteristic of material that contains connected air spaces, or pores, that water can seep through easily.
- 5. A lake that stores water for human use.
- 6. The top of the saturated zone, or depth to the groundwater under Earth’s surface.
- 8. The layer of rocks and soil above the water table in which the pores contain air as wells as water.
- 11. A stream or river that flows into a larger river.
- 13. The land area that supplies water to a river system.
- 14. The process by which water is lost through a plant’s leaves.
- 16. A well in which water rises because of pressure within the aquifer.
- 17. The process by which molecules at the surface of a liquid absorb enough energy to change to a gas.
- 18. A land area that is covered with a shallow layer of water during some or all of the year.
- 19. A ridge of land that separates one watershed from another.
Down
- 1. Water that fills the cracks and spaces in underground soil and rock layers.
- 3. An underground layer of rock or sediment that holds water.
- 4. Any form of water that falls from clouds and reaches Earth’s surface as rain, snow, sleet, or hail.
- 7. The continual movement of water among Earth’s atmosphere, oceans, and land surface through evaporation, condensation, and precipitation.
- 9. The area of permeable rock or soil in which the cracks and pores are totally filled with water.
- 10. The buildup over time of nutrients in freshwater lakes and ponds that leads to an increase in the growth of algae.
- 12. A characteristic of materials, such as clay and granite, through which water does not easily pass.
- 15. An environment that provides the things a specific organism needs to live, grow and reproduce.