Unit 7 Vocabulary

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Across
  1. 5. energy from heat inside Earth
  2. 7. energy from living or once living material
  3. 10. taking responsibility for caring for Earth
  4. 12. natural resource used to produce energy
  5. 13. energy from the sun
  6. 14. replaced as fast as it is used
  7. 15. air pollution that forms a brown haze
  8. 17. harmful substances in the environment
  9. 18. energy from moving air
  10. 19. protecting and wisely using resources
  11. 22. contamination of land by waste
  12. 23. harmful gases or particles in the air
  13. 26. movement of soil by wind water or ice
  14. 27. anything in nature people use
  15. 28. energy from moving water
  16. 30. rain rain mixed with pollution that damages the environment
  17. 31. splitting atoms to release energy
  18. 34. energy from sources that will not run out
  19. 35. damaging environments where organisms live
Down
  1. 1. cutting down large areas of trees
  2. 2. used faster than it can be replaced
  3. 3. contamination of water sources
  4. 4. gas in the atmosphere that protects Earth from UV rays
  5. 5. increase in Earths temperature
  6. 6. using fewer resources
  7. 8. reusing materials to reduce waste
  8. 9. fuel from ancient plants and animals
  9. 11. planting trees to replace those cut down
  10. 16. removing minerals or resources from Earth
  11. 20. energy from the nucleus of an atom
  12. 21. growth of cities and human development
  13. 24. gas gaseous fossil fuel used for heating and cooking
  14. 25. using resources so they last for future generations
  15. 29. using items again instead of throwing them away
  16. 32. solid fossil fuel used for electricity
  17. 33. liquid fossil fuel used for gasoline