Plate tectonics Crossword Puzzle

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Across
  1. 3. A break in the Earth's crust
  2. 4. Layer between the crust and the core
  3. 6. A sudden and violent shaking of the ground, sometimes causing great destruction
  4. 9. A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust
  5. 10. New lithosphere is created here
  6. 11. The upper layer of the earth's mantle, below the lithosphere
  7. 13. Outermost layer of the Earth
  8. 16. The rigid outer part of the earth
  9. 17. Boundary between two plates that are sliding past each other
  10. 18. Solid, dense center of the Earth
Down
  1. 1. Liquid layer of the Earth's core
  2. 2. Supercontinent that existed approximately 335 million years ago
  3. 5. Boundary between two plates moving away from each other
  4. 7. Pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere
  5. 8. Boundary between two colliding plates
  6. 12. The bending of rock layers
  7. 14. A record produced by a seismograph
  8. 15. An instrument that measures and records details of earthquakes, such as force and duration