Environmental Science Review Puzzle I

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Across
  1. 1. a period of dryness, that when prolonged, causes damage to crops
  2. 2. a time of unusual winds and currents in the Pacific Ocean
  3. 5. the green pigment in the cells of many plants
  4. 7. heat extracted from the Earth for use as an power source
  5. 10. materials that are found in nature that are useful or necessary
  6. 11. to preserve, or to avoid wasteful use
  7. 12. It is the fifth planet from the Sun
  8. 13. Someone who loves you
  9. 16. living in water
  10. 17. a thickened region of Earth's crust that is mainly above sea level
  11. 20. a community of plants and/or animals and its physical environment
  12. 21. named after the Roman god of war
  13. 23. gases that trap the Sun's heat in the atmosphere
  14. 26. northern or southern half of the Earth or the eastern or western half hotspot a region of high heat flow on the Earth's surface
  15. 27. the height of a place above sea level
  16. 28. lacking in rainfall, very dry
  17. 30. the science that deals with the study of the planet Earth
  18. 31. a hydrocarbon that can be extracted from the Earth
  19. 32. named after the ancient Germanic Goddess of the soil
Down
  1. 1. a process of land degradation initiated by human activity
  2. 3. the innermost zone of Earth
  3. 4. due to gases from internal combustion engines
  4. 5. gases that destroy ozone
  5. 6. composed of three atoms of oxygen and mostly found in the stratosphere
  6. 8. wearing away,loosening, and dissolving of materials of the Earth's crust
  7. 9. water beneath the Earth's surface
  8. 14. the layer of gases (air), that surrounds a planet or moon
  9. 15. a zone in the Earth between 400 and 670 km below the surface
  10. 18. water circulation from the ocean to the atmosphere to the land
  11. 19. a coral reef separated from the mainland by a lagoon
  12. 22. the average weather conditions of an area over many years
  13. 24. shapes, like mountains or hills that make up the Earth's surface
  14. 25. that portion of the Earth below the crust and reaching to about 2,780 km
  15. 26. the environment where a particular plant or animal is normally found
  16. 29. evidence in rock of the presence of past life, such as a dinosaur bone
  17. 30. thermal spring which ejects water intermittently with considerable force
  18. 33. containing moisture