Volcanic Crossword Puzzle

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Across
  1. 4. Magamas that form in different volcanic enviroments have unique chemical compositions
  2. 6. Are large, steep-sided volcanoes that result from explosive eruptions of andsitic and rhyolitic lava and ash
  3. 7. Common along divergant plate boundaries and oceanic hot spots
  4. 8. A vent in earth's crust throught which melted- or molten- rock flows
  5. 9. When two plates collide, the denser plate sinks or subducts, into the mantel
  6. 13. The presence of dissolved gasses in magma contributes to how explosive a volcano can be
  7. 14. Represents an area of earthquakes and volcanic activity that surrounds the pacific ocean
  8. 15. During an explosive eruption, volcanoes can erupt large volumes of volcanic ash
Down
  1. 1. Explosive volcanoes can produce fastmoving avalanches of hot gas, ash, and rock called pyroclastic
  2. 2. Volcanoes that are mot associated with plate boundaries are called hot spots
  3. 3. When two plates spread apart along a divergant boundry.
  4. 5. The thermal energy a volcano produces during an eruption can melt snow and ice on the summit
  5. 10. Are small, steep sided volcanoes that erupt gas-rich, basaltic lavas
  6. 11. Large volcanic depression formed when a vcolcano's summit collapses or is blown away by explosive activity
  7. 12. Lava flows are relatively slow moving, they are rarely deadly