Environment Unit Crossword

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Across
  1. 1. the effect described as an unforeseen chain of events caused by a disturbance in a system
  2. 3. an alternative energy source that cannot run out, like solar power
  3. 5. digging up land to extract the minerals from within
  4. 9. pollutants that are released into the air
  5. 11. the practice of using less of a resource so that it will last longer
  6. 13. a man made structure in a river that we use to collect energy from falling water
  7. 15. the practice of using resources in ways that maintains them at a certain quality for a certain period of time
  8. 16. precipitation that is more acidic than normal because of air pollution
  9. 17. a type of oxygen that is harmful to humans if inhaled
  10. 18. the water and human wastes that are washed down sinks, showers and toilets
  11. 22. the Ocean that contains about 2 million bits of plastic per square mile
  12. 23. the practice of using land for the construction of homes or other buildings
  13. 25. a type of pollution that has an obvious source
  14. 26. the number of deaths per 1000 people in a certain amount of time
  15. 29. the machine that, when spun, creates the electricity
  16. 30. energy rich substances made from the preserved remains of living things
  17. 32. anything occurring naturally in the environment that humans use
  18. 33. the contamination of Earth's land, water and air
  19. 34. due to global warming, the worlds oceans are doing this at an increasing rate
  20. 36. forms similarly to petroleum, except found in a gaseous state. ex. methane
  21. 37. the type of solar power that heats a greenhouse
  22. 38. the type of energy we collect that comes from heat from Earth's core
  23. 40. the number of births per 1000 people in a certain amount of time
Down
  1. 1. the solid fossil fuel made from the remains of plants that died in swampy areas
  2. 2. a common radioactive fuel source in nuclear power plants
  3. 4. the removal of forests to use the land for other reasons
  4. 6. a type of pollution that does NOT have an obvious source
  5. 7. the advance of desert-like conditions into an area that was previously fertile
  6. 8. Deepwater __________ was a disastrous oil spill in the Gulf of Mexico
  7. 10. the practice of raising fish and other water-dwelling organisms for food
  8. 12. 97 percent of the worlds water is undrinkable because it contains _____
  9. 14. this is washed off of farms and into bodies of water creating dead-zones where nothing can survive
  10. 19. a growth pattern in which the larger the population gets, the faster it grows
  11. 20. an area in which water covers the soil for all or most of the year
  12. 21. also called oil, this is made from dead small marine life
  13. 24. when the number of humans grows beyond what the available resources can support
  14. 27. the process of wind, water and ice moving sediments
  15. 28. the splitting of a radioactive atom into two smaller atoms while also producing a lot of heat
  16. 31. holes dug in the ground for all of societies solid wastes
  17. 35. a resource that cannot be replaced
  18. 39. a type of pollution that comes from very hot water given off through industrial processes