Geology - The Earth Speaks

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Across
  1. 5. The combination of the upper mantle and the crust that move together with tectonic plates
  2. 8. The belief that earth-forming processes are natural, have always been the same, and have always happened at the same gradual rate
  3. 10. management Effort to oversee and control the use of natural resources
  4. 11. Resources that have an unlimited supply or are easily replenished
  5. 12. From the Moho to a depth of about 1800 mi(2900 km) from the surface and takes up 84% of the earth's volume
Down
  1. 1. Earth's outer layer that is solid and relatively low-density rock
  2. 2. The study of the earth
  3. 3. Idea/view that the earth is ancient-billions of years old; represents the secular approach to the history of geology, the earth, and the universe according to the principle of uniformitarianism
  4. 4. Resources that get used up and can't be replenished
  5. 6. Contains about 15% of the earth's volume and occupies the center of the earth below the mantle
  6. 7. Boundary between the crust and the mantle; marks the bottom of the crust
  7. 9. resources Raw materials that we use from our environment