Creek Connections Water Pollution Crossword Puzzle

[Pages:2]Creek Connections

Water Pollution Crossword Puzzle

Created by Dave Cass, Creek Connections Project Assistant

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Across 1. The title of this crossword puzzle is ________. 3. A living indicator of the quality of a waterway. 5. The process of changing an area from rural to urban. 7. Gaseous element released from industry emissions that helps to form acid deposition. 8. Materials, often times pollutants, that are not absorbed by soil and flow into bodies of water. 10. S on the periodic table of elements. 12. The primary cause of sediment pollution. 14. Animals raised for home use or profit. 16. Coal, oil, and natural gas are examples of these. 19. Second largest source of pollution in PA. Also a nonpoint source. 21. Primary result of an overabundance of sulfur dioxide and nitrogen gas in the atmosphere. 24. Legislation passed in 1990 to regulate industrial emissions and maintain the quality of our air.

Down 2. Type of acid that, when mixed with water vapor in our atmosphere, causes acid rain. 4. Acronym describing the second largest source of pollution in PA. 6. A substance is considered to be this if it is capable of causing injury or death. 7. The source is not easily identifiable. Another name for runoff pollution. 9. Largest source of water pollution in PA. Also a nonpoint source. 11. On this scale from 1-14 the lower numbers are acidic and the higher numbers are basic. 13. Direct source pollution. Source is easily identifiable. 15. Common name of the Federal Water Pollution Control Act passed in 1972 in order to "restore

and maintain" our nation's waters. 17. The process of decreasing the concentration of a mixture by adding more solvent. 18. Most abundant compound on earth, covers much of the earth's surface. 20. Any precipitation with a pH below 5.6 is called ___________. 22. Any substance that decreases water quality and impairs or degrades aquatic life. 23. Toxic substance found usually in old thermometers (Hg).

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