Plate tectonics and Geosphere crossword

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Across
  1. 5. long, narrow depressions on the seafloor that form at the boundary of tectonic plates
  2. 9. natural circulation patterns of fluids. Warmer, less dense fluid rises while colder, denser fluid sinks, creating circular motions or loops.
  3. 10. the upper layer of the Earth's mantle, beneath the lithosphere, which is composed of solid rock.
  4. 11. the upper part of the mantle
  5. 12. occurs when two tectonic plates move away from each other
  6. 15. Earthquakes, Tsunamis, volcanoes
  7. 19. a geological process that occurs when one plate is forced beneath another plate
  8. 20. hot, narrow columns of rising material originating from deep within the Earth's mantle
Down
  1. 1. the layer just outside the inner core, consisting primarily of molten iron and nickel mixed with small amounts of other elements.
  2. 2. A________is a geological feature formed when magma from within the Earth erupts onto the surface
  3. 3. Where plates meet
  4. 4. A____ is a crack in earth's crust
  5. 6. the very center of our planet, composed mainly of hot and dense iron and nickel.
  6. 7. When oceanic crust collides with a continent, an ___________ convergent boundary forms
  7. 8. where two tectonic plates collide with one another
  8. 13. when the ground shakes or moves due to the shifting of tectonic plates under the Earth's surface
  9. 14. where two tectonic plates slide horizontally past each other
  10. 16. _______ is the Outermost layer of the earth
  11. 17. __________ is the rigid outer part of the earth, consisting of the crust and upper mantle.
  12. 18. when somthing is pushed or crushed together