Crossword Vocab Crossword

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Across
  1. 2. when two plates spread apart along a divergent boundary.
  2. 6. relatively slow moving, they are rarely deadly
  3. 10. volcanoes that are large,steep-sided volcanoes that result from explosive eruptions of andesite and rhyolitic lava and ash
  4. 12. When two plates collide,the denser plate sinks or sub-ducts,into the mantel
Down
  1. 1. explosive volcanoes can produce fast-moving avalanches of hot gas,ash,and rock called pyroclastic rock
  2. 3. large volcanic depressions formed when a volcano's summit collapses or is blown away by explosive activity's
  3. 4. during an explosive eruption volcanoes can erupt large volumes of volcanic ash
  4. 5. the thermal energy a volcano produces during an eruption can melt snow and ice on the summit.
  5. 7. volcanoes that are small, steep-sided volcanoes that erupt gas-rich,basaltic lavas.
  6. 8. A vent in earths crust through which melted or molten rock flows.
  7. 9. volcanoes are common along divergent plate boundaries and oceanic hot spots.
  8. 11. volcanoes that are not associated with plate boundaries are called hot spots.