Complete the crossword puzzle below.

123456789101112131415
Across
  1. 4. ___________ heat is source of this internal heat found in the Earth’s core
  2. 8. _____________ process is a process where the oceanic crust sinks towards the mantle or moves under the continental crust.
  3. 9. the outermost layer of the Earth.
  4. 11. __________ heat is the source of this internal heat found in the Earth’s crust and mantle.
  5. 13. _____________ Boundary is a type of plate boundary where plates move away from each other.
  6. 15. a series of waves caused by an underwater earthquake.
Down
  1. 1. an opening on the Earth’s surface where magma is released.
  2. 2. the shaking of the ground.
  3. 3. a layer of the Earth that includes the crust and upper mantle.
  4. 5. __________ crust is the type of crust found below seas and oceans.
  5. 6. _____________ Fault Boundary is a type of plate boundary where plates move past each other.
  6. 7. __________ Boundary is a type of plate boundary where plates collide or move towards each other.
  7. 10. deep part of the ocean formed at subduction zones.
  8. 12. __________ crust is the type of crust that contains landmasses and landforms.
  9. 14. a break or crack on the Earth’s crust.