Volcano

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Across
  1. 3. : Area where magma melts through the crust away from plate boundaries
  2. 4. Chamber : Underground pool where magma collects
  3. 6. : A volcano that is not active but may erupt again
  4. 7. Tectonics : Movement of Earth's crust that causes volcanic activity
  5. 8. Volcano : Wide, gently sloping volcano formed by thin lava
  6. 12. : A volcano that is currently erupting or showing signs of erupting
  7. 13. : Fine particles of rock blasted into the air during eruptions
  8. 16. Cone : Small, steep volcano built from volcanic fragments
  9. 17. : Bowl-shaped depression at the top of a volcano
  10. 18. : Solid fragments ejected from a volcano
  11. 20. : Molten rock stored beneath Earth's surface
Down
  1. 1. : Fast-moving, deadly flow of hot gas and rock
  2. 2. : Mudflow caused by volcanic debris and water
  3. 5. Volcano : Tall, explosive volcano made of layers of lava and ash
  4. 9. : A volcano that is not expected to erupt again
  5. 10. : Large depression formed when a volcano collapses
  6. 11. : Long crack where lava erupts
  7. 14. : Molten rock that flows on Earth's surface
  8. 15. : Opening where volcanic material escapes
  9. 19. of Fire : Major volcanic zone around the Pacific Ocean