Volcanoes

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Across
  1. 3. Molten rock below Earth's surface.
  2. 5. dude with a wooden sword
  3. 6. a cone formed around a volcanic vent by fragments of lava thrown out during eruptions (2 words)
  4. 8. This boundary is where two tectonic plates are moving away from each other.
  5. 11. another name for a composite volcano
  6. 12. Japanese dude with a super sharp sword
  7. 14. Areas where mantle plumes cause volcanoes to form. (2 words)
  8. 16. A linear series of fissures in a volcanic area that allows lava to be erupted from the volcano's side instead of from its summit. (2 words)
Down
  1. 1. light-colored silicate minerals including feldspar.
  2. 2. A natural conduit formed by flowing lava which moves beneath the hardened surface of a lava flow. (2 words)
  3. 4. fragments of rock erupted by a volcano
  4. 7. The outer part of the earth, consisting of the crust and upper mantle.
  5. 9. This boundary is where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.
  6. 10. A localized column of hot magma rising by convection in the mantle. (2 words)
  7. 13. dark-colored, mainly ferromagnesian minerals.
  8. 15. A broad domed volcano.