Science Crossword

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Across
  1. 4. a vent that allows molten rock and hot gases to escape from within the earth
  2. 5. the outermost layer of the earth
  3. 7. a weak earthquake
  4. 8. melted rock while it is still underground
  5. 10. scientist who studies the structure of the earth
  6. 11. molten rock after reaching the earth's surface
  7. 12. the study of earthquakes
  8. 13. have not erupted in recorded history or are not likely to erupt again
Down
  1. 1. has erupted recently or is considered to likely erupt in the near future
  2. 2. any trembling or shaking of the earth's crust
  3. 3. the innermost layer of the earth
  4. 6. scientist who studies earthquakes
  5. 8. the middle layer of the earth
  6. 9. the study of the earth and its structure
  7. 14. a depression at the top of a volcano