Chapter 1&3 Crossword

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Across
  1. 2. outermost solid shell of a rocky planet
  2. 3. process of gradual destruction
  3. 7. fertile land that occur in nature and can be used for economic gain.
  4. 8. the central region of the Earth
  5. 10. integrates physical,biological sciences to the study of the environment,
  6. 11. parts of earth that move and float, create earthquakes
  7. 14. everything that makes up the regions of matter
  8. 16. the variety of life in a habitat
  9. 17. envelope of gases surrounding the earth
  10. 18. the science or practice of farming
  11. 19. colorless unstable toxic gas with a bad odor
Down
  1. 1. trapping of sun's warmth
  2. 4. endurance of systems
  3. 5. impact of a person or animal in an environment
  4. 6. interactions among species in their environments
  5. 9. lies beneath the crust and above the central core
  6. 10. changing of liquid into a gas
  7. 12. when there is heat in the air this happens to a cold surface
  8. 13. the regions of the surface, atmosphere, and hydrosphere of the earth
  9. 15. contaminants in the natural environment