Chapter 1&3 Crossword

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Across
  1. 2. The center of the earth made up of lava
  2. 5. the impact of a person or community on the environment
  3. 7. Materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain
  4. 8. The rigid outer part of the earth, consisting of the crust and upper mantle
  5. 9. The science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food
  6. 10. Is how biological systems remain diverse and productive
  7. 12. The variety of life in the world or in a particular habitat or ecosystem
  8. 13. The outermost layer of a planet
  9. 14. Are pieces of the Earth's crust and uppermost mantle
  10. 16. The layer of the earth's atmosphere above the troposphere
  11. 19. Any of the almost spherical concentric regions of matter that make up the earth and its atmosphere
Down
  1. 1. Environmental change has occurred through- out Earth’s history
  2. 3. The process of eroding or being eroded by wind, water, or other natural agents
  3. 4. The interior of the earth
  4. 5. Is an interdisciplinary study of human interactions with the living and nonliving world
  5. 6. The lowest region of the atmosphere
  6. 11. The upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance
  7. 15. A mixture of nitrogen,oxygen,and other gases that surrounds Earth
  8. 17. A colorless unstable toxic gas with a pungent odor and powerful oxidizing properties
  9. 18. The presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects