Unit 3 Vocabulary

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Across
  1. 1. artificial lake used to store water
  2. 7. to use an item again instead of throwing it away
  3. 8. black sedimentary rock used as a fossil fuel
  4. 10. energy generated from moving water
  5. 13. underground layer of rock or sediment that holds water
  6. 14. resources sources used to produce power, such as wind or coal
  7. 18. emissions release of carbon dioxide into the atmosphere
  8. 19. water water that is safe to drink
  9. 20. mining mining technique that removes surface layers of soil and rock
  10. 23. maintenance of clean and healthy living conditions
  11. 24. change long-term alteration of temperature and weather patterns
  12. 25. preservation protection of animals and their natural habitats
  13. 26. fragmentation breaking up of natural habitats into smaller pieces
Down
  1. 2. to use less of a resource to minimize waste
  2. 3. sudden downhill movement of snow, ice, and rock
  3. 4. close relationship between two different species that benefits at least one
  4. 5. energy power derived from sunlight
  5. 6. process of converting waste materials into reusable forms
  6. 9. water found beneath the Earth’s surface
  7. 11. water that flows over the land and into bodies of water
  8. 12. process by which plants convert sunlight into chemical energy
  9. 15. zone area of land next to a river or stream
  10. 16. area of land that drains into a common water body
  11. 17. island area that is significantly warmer than its surroundings due to human activity
  12. 21. contamination of the environment with harmful substances
  13. 22. organic material used as a renewable energy source