The Earth and Tectonic Plates

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Across
  1. 4. Made up of the crust and the upper-most mantle
  2. 5. A huge wave in the ocean caused by an Earthquake occurring on the seafloor
  3. 6. A place where extremely hot material from inside the Earth erupts at the surface
  4. 8. The rapid movement of the ground, back and forth and up and down, as a result of tectonic plate movement
  5. 10. A layer of 'plastic' semi-solid rock in the upper mantle
  6. 15. Layer between the crust and the Earth's core
  7. 16. Isolated places away from plate boundaries where a lot of hot magma is being created
  8. 17. Where plates are moving apart from each other in opposite directions
Down
  1. 1. The point on the Earth's surface directly above the focus of an Earthquake
  2. 2. The separating of the continents by drifting across the oceans
  3. 3. Hot liquid rock found under the Earth's surface
  4. 7. Where plates are colliding with each other
  5. 9. The process of continents breaking up, sinking and allowing the ocean in
  6. 11. Where the crust is sinking down into the Earth
  7. 12. A deep valley in the Earth's crust that is much deeper than the area around it
  8. 13. The place below ground where an Earthquake starts
  9. 14. Type of boundary where plates are sliding next to each other but in opposite directions