Earth Sci CH 4 Geology

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Across
  1. 2. the study of earth.
  2. 5. belief that earth-forming processes are natural, have always been the same, and have always happened at the same gradual rate.
  3. 8. any raw material from the natural environment that we use or can use.
  4. 9. the combination of the upper mantle and the crust that moves with tectonic plates.
  5. 10. the boundary between the earth’s crust and it’s mantle.
  6. 11. dense extremely hot central region of the earth’s interior, consisting of two parts: a liquid outer core and a solid inner core.
  7. 12. a natural resource that can’t be replenished and so is simply used up, and needs to be conserved.
Down
  1. 1. idea that the earth is billions of years old and is a secular approach to the history of geology.
  2. 3. the hot, plastic rock that fills the earth’s interior between the crust and the core which makes up 84% by volume.
  3. 4. a natural resource that has an unlimited supply or is easily replenished.
  4. 6. efforts to oversee and wisely control the use of natural resoures.
  5. 7. the earth’s solid, relatively low density outermost layers of rock that lies under the loose surface materials and oceans.