Mountainous Landscapes

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Across
  1. 4. those that have folded over themselves or appear to have flopped over, strongly folded and squeezed into sharp folds as a result of great horizontal pressure
  2. 7. large basin-shaped depression caused when the summit of a volcano collapses into the magma chamber below
  3. 8. _______ form when erosion of the surrounding areas occur
  4. 9. a simple fold that occurs singularly rather than as part of a series of anticlines and synclines
  5. 10. _______ boundaries occur when tectonic plates are moving past one another
  6. 13. _______ boundaries occur when tectonic plates are moving away from one another
Down
  1. 1. _______ mountains occur when materials or blocks of rock are forced up or down through cracks in Earth’s crust
  2. 2. the upward bulging of rocks cussed by compression
  3. 3. _______ boundaries occur tectonic plates are moving towards one another
  4. 5. occur when molten rock erupts through the crust
  5. 6. the downward squeezing of rocks caused by compression
  6. 11. _______ mountains form when two continental plates push against each other
  7. 12. _______ form when large amounts of melted rock (magma) accumulate under the Earth’s crust without breaking it