Ch.5 Plate tectonics

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Across
  1. 4. is a mountain that forms in Earth's crust when,molten material or magma reaches the surface.
  2. 6. form long chains of mountains that rise up from the ocean floor.
  3. 9. plates slip past each other.
  4. 14. Heat transfer by the movement of fluid.
  5. 15. breaks in Earth's crust where rocks have slipped past eachother-form along these boundaries.
Down
  1. 1. adds more crust to the ocean floor.
  2. 2. plates move apart, or diverge.
  3. 3. an area where material deep within Earth's mantle rises through the crust and melts to form magma
  4. 5. when magma reaches the surface.
  5. 7. crust closer to the a mid-ocean ridge moves away from the ridge and toward a deep ocean trench.
  6. 8. A large landmass or super continent
  7. 10. one major belt of volcanoes
  8. 11. pieces of Earth's crust diverge on land, a deep valley forms.
  9. 12. any trace of an ancient organism that has been preserved in rock.
  10. 13. is a measure of how much mass there is in a given volume of a substance.