Earth Science 8A

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Across
  1. 3. refers to volcanoes that form inside the earth's crust
  2. 5. molten rock that has escaped from the earth's interior
  3. 8. describes liquid that flows less easily
  4. 10. an intrusive sheet of magma that cuts across older rocks
  5. 11. a huge crater-like depression in the upper portion of a volcano
  6. 12. molten rock in the earth's interior
  7. 14. a layer of loose pyroclastic materials covering the ground
  8. 15. anything having to do with molten materials
Down
  1. 1. refers to volcanoes that form on top of the earth's crust
  2. 2. vents in the ground where steam and other gases escape
  3. 4. thick layers of igneous rocks covering many places in the world
  4. 6. a depositional mountain form built from solidified magma
  5. 7. an opening in the earth's crust from which lava, ash, and gases can escape
  6. 9. an intrusion of magma between layers of rock in the direction of foliation
  7. 13. a depression at the top of a volcanic cone