Geology Crossword

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Across
  1. 2. a tool that records earthquakes
  2. 4. red-hot melted rock that has erupted from a volcano
  3. 6. core the layer of earth between the mantle and the inner core
  4. 8. a fast-moving, powerful wave created after an oceanic earthquake
  5. 10. when two tectonic plates slide against each other
  6. 13. a scientist who studies what the earth is made of
Down
  1. 1. melted rock inside the earth's mantle
  2. 3. the thickest layer of the earth
  3. 5. a hill or mountain that forms over a crack in earth's crust from which lava erupts
  4. 7. a violent shake caused by the collision of two tectonic plates
  5. 9. the strength of an earthquake
  6. 11. core the deepest layer of the earth
  7. 12. the outermost layer of the earth