Plate Tectonics Part 2

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Across
  1. 4. Is an opening in the earth's crust through which lava, volcanic ash, and gasses escape.
  2. 5. An underwater volcanic mountain chain where a new ocean floor is formed.
  3. 6. A theory stating that Earth's crust is broken into huge plates that move and and causes changes at Earth’s surface.
  4. 11. Molten rock BELOW Earth's surface.
  5. 12. A plate boundary where two plates pull apart as result of tension stress.
  6. 14. Rocks formed from compacted sediment.
  7. 15. Margin that builds up or CREATES.
Down
  1. 1. Rocks formed from extreme heat and pressure.
  2. 2. When a dense oceanic plate sinks below a less dense continental plate and melts and creates volcanoes.
  3. 3. Margin that causes damage or DESTROYS.
  4. 7. Molten rock ON Earth's surface.
  5. 8. A plate boundary where two plates come together as a result of compression stress.
  6. 9. Rocks formed from cooled/solidified molten rock.
  7. 10. A plate boundary where two plates slide past each other in opposite directions as result of shear stress.
  8. 13. Cycle Is a series of processes that create and transform the types of rocks in Earth's crust.