Science Crossword

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Across
  1. 3. Removal of trees and vegetation from an area
  2. 4. Body of water that usually forms behind a dam
  3. 6. Tiny particle of solid suspended in air or water
  4. 7. Heating of natural water due to human activity
  5. 9. Natural resource humans use to make objects/consume as food or drink
  6. 10. Increase in the amounts of nutrients
  7. 11. Pollution coming from a specific site
  8. 12. (Process)land becomes desertlike and unable to support life
  9. 13. Resource that forms at a rate that is slower than it is consumed
  10. 15. Contamination of atmosphere because of humans and natural resources
  11. 16. Way by which certain gases in the atmosphere absorbs and reradiates thermal energy
  12. 17. Natural resource used to generate energy
  13. 19. The careful and responsible management of a resource
  14. 21. Waste or other materials is added to water so it becomes harmful to water dwelling organisms
  15. 23. Precipitation (rain, sleet, snow) containing acids from air pollution
  16. 25. Measuring how clean the air is
Down
  1. 1. (Process) human activities and natural processes damage land so it can't support its ecosystem
  2. 2. Resource that can be replaced at the same rate it is consumed
  3. 5. Nonrenewable resource formed from remains of plants&animals that lived long ago
  4. 8. Pollution coming from many small sources(Harder to control)
  5. 14. Any natural material used by humans (air, soil, minerals, etc.)
  6. 18. Growth of urban areas due to people moving into cities
  7. 20. Formed when ground-level ozone and vehicle exhaust react in the sunlight
  8. 22. Water suitable to drink
  9. 24. Wise of natural resources