Geomorphology

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Across
  1. 2. – The point inside the Earth where an earthquake originates
  2. 3. – Earth’s rigid outer shell (crust + upper mantle)
  3. 4. TECTONICS – Theory explaining movement of Earth’s lithospheric plates
  4. 6. – A supercontinent proposed by Alfred Wegener
  5. 9. CORE – Layer of Earth composed mainly of molten iron and nickel
  6. 11. ARC – Chain of volcanoes formed along subduction zones
  7. 12. – Fragment of lithosphere that moves over the asthenosphere
  8. 13. – Shaking of Earth’s surface caused by release of energy
  9. 14. CORE – Solid innermost layer of the Earth
Down
  1. 1. – Crust that is thicker and less dense
  2. 5. – Boundary where plates slide past each other
  3. 7. – Soft, plastic-like layer on which tectonic plates move
  4. 8. – Process where oceanic crust sinks into the mantle at trenches
  5. 10. – Boundary where plates move apart