Across
- 2. / the buildup over time of nutrients in freshwater lakes and ponds that leads to an increase in the growth of algae
- 6. /the process by which molecules at the surface of a liquid absorb enough energy to change to a gas
- 9. /any form of water that falls down from clouds and reaches Earth's surface as rain, snow, sleet, or hail
- 12. /the land area that supplies water to a river system
Down
- 1. /an environment that provides the things a specific organism needs to live, grow, and reproduce
- 3. /the process by which water is lost through a plant's leaves
- 4. / characteristics of a material that contains connected air spaces, or pores, that water can seep through easily
- 5. /characteristics of a material, such as clay and granite, through which water does not easily pass
- 7. / an underground layer of rock or sediment that holds water
- 8. /water that fills the cracks and spaces in underground soil and rock layers
- 10. /a lake that stores water for human use
- 11. /a stream or a river that flows into a larger river
- 13. zone / the area of permeable rock or soil in which the cracks and pores are totally filled with water
- 14. /a ridge of land that separates one watershed from another