Across
- 4. A ridge of land that separates watersheds
- 6. The area of permeable rock or soil that is totally filled with water
- 10. Amount of one substance in a certain volume of another substance
- 12. Amount of heat needed to increase the temperature of a certain mass of a substance by one degree Celsius
- 13. The process by which plants use water, along with carbon dioxide and energy from the sun to make their own food
- 16. The process of which particles stick some sticky globs and sinks into the settling basins
- 19. Streams and smaller rivers that feed into a main river
- 20. The addition of any substance that has a negative effect on water or the living things that depend on the water
- 22. Process by which molecules at the surface of a liquid absorb enough energy to change to the gaseous state
- 24. A substance that does the solute dissolves into
- 26. Water that falls to earth as rain, snow, hail, or sleet
- 27. A widely spread source of pollution that cant be tied to a specific point of origin
- 28. A lake that stores water for human use
- 29. Process of supplying water to areas of land to make them suitable for growing crops
- 32. Electricity that is produced by the kinetic energy of water moving over a waterfall or through a dam
- 36. A well that uses pressure to draw water
- 37. Top of the saturated zone
- 38. The layer of rock and soil above the water table
- 39. Form of energy that an object has when it is moving
- 41. A measurement of the substances in water besides water molecules
- 42. The combined level of Calcium and Magnesium in a sample of water
- 43. Water that fills the cracks and spaces in underground soil and rock layers
- 45. One possible method of obtaining fresh water from salt water
- 46. Land area that is covered by shallow layer of water during some or all of the year
- 48. Specific source of pollution that can be identified
Down
- 1. A form of precipitation that is more acidic than normal
- 2. tightness across the surface of water that is caused by the polar molecules pulling on one another
- 3. Chemicals intended to kill insects and other organisms that damage crops
- 5. Material that prevents water from passing through
- 7. Substances such as nitrogen and phosphorus that enable plants and algae to grow
- 8. The process of which water is given off through the leaves as water vapor
- 9. Place where an organism lives and obtains all things it needs to survive
- 11. The waste water and the different kinds of wastes in it
- 14. The substances that cause many types of pollution that can also include water pollution
- 15. Practice of using less of a resource so that it will not be used up
- 17. The combined force of attraction among water molecules and the molecules of surrounding materials
- 18. Any underground layer of permeable rock or sediment that holds water
- 21. Heavier sediments that build up into long ridges
- 23. Energy that is stored and waiting to be used.
- 25. A molecule that has electrically charged areas
- 26. Materials that have large and connected pores
- 30. Process of passing water through a series of screens that allows water through but not larger solid particles
- 31. Sudden violent flood that occurs within a few hours or even minutes following a storm
- 33. A measurement of how acidic or basic water is
- 34. The process of which nutrients builds up in the lake
- 35. The land area that supplies water to a river system
- 40. The process by which a gas changes to a liquid
- 44. Continuous process by which water moves from earth's surface to the atmosphere and back
- 45. A condition where an area experiences a long period of scarce rainfall
- 47. A mixture that forms when one substance dissolves another