Jason's crossword

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Across
  1. 1. sudden events that lead to mass extinction
  2. 3. tectionic plates move away from each other usually forms new crust and rift valleys
  3. 4. Insturments used to measure and record seismic waves
  4. 8. large rigid pieces of Earth's lithosphere that move and interact with each other along plate bounderies
  5. 10. formed as a result of high temperature and deep pressure within earth changing a rock that already exists
  6. 11. The semi fluid layer of the mantle and is divided into tectonics plates
  7. 12. rock formed when lava or magma cools and hardens
  8. 14. located between the mantle and outer core
Down
  1. 2. tectonic plates move toward each other usually forms mountains and volcanoes
  2. 5. A group of the same species living in the same area
  3. 6. extinction events that occur over larger time
  4. 7. Hot materials rises cooler materials sinks it drives plate techtonics
  5. 8. boundary where tectonic plates move toward
  6. 9. includes the crust and upper part of the mantle and is divided into tectonic plates
  7. 13. forms after weathering and erosion when sediments compact ond cement