Tectonic plates

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Across
  1. 1. A natural action that changes Earth’s crust
  2. 3. The edge where two tectonic plates meet and interact
  3. 6. When parts of Earth’s crust get pushed upward
  4. 7. When one tectonic plate slides beneath another
  5. 8. An opening in Earth where lava, ash, and gases escape
  6. 11. Preserved remains or traces of an ancient living thing
  7. 13. The shapes and features that make up Earth’s surface
  8. 15. Huge landmass cruising slowly on Earth’s rocky shell
  9. 16. Melted rock below Earth’s surface, ready to stir up trouble
  10. 17. A shaking, rattling release of energy in Earth’s crust
  11. 18. One of the large moving pieces of Earth’s crust
  12. 19. An underwater mountain chain where new crust forms
Down
  1. 2. The process of new seafloor forming and moving outward
  2. 4. A place where magma rises and forms volcanoes away from plate edges
  3. 5. The study of how Earth’s plates move and interact
  4. 9. To move apart like Earth is slowly pulling a giant zipper open
  5. 10. The outer layer of Earth we live on
  6. 12. A deep valley in the ocean floor
  7. 14. To move toward each other like giant rocky bumper cars
  8. 19. Solid material that makes up Earth’s surface