Plate Tectonics

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Across
  1. 2. Cone A steep-sided volcano formed by the explosive eruption of cinders that form by a vent
  2. 5. lava fragments about 1cm in diameter
  3. 6. wave secondary wave
  4. 8. shaking of the Earth caused by a sudden movement of rock beneath its surface
  5. 9. wave primary wave
  6. 10. the thin outer layer of the earths surface
  7. 12. the circular depression containing a volcanic vent
  8. 13. Volcano A volcano that is currently erupting, or has erupted during recorded history
  9. 14. the layer of rock that lies between the crust and the outer core
  10. 16. molten rock
Down
  1. 1. pertaining to igneous rock bodies that form at great depth
  2. 3. the point on the Earth's surface directly above the hypocenter of an earthquake
  3. 4. to bend or change direction
  4. 6. of or having to do with earthquakes
  5. 7. to bounce back from a surface
  6. 9. Boundary the place where two or more plates in the earth's crust meet
  7. 10. the innermost layer of the earth
  8. 11. a risk
  9. 15. the term used for magma