Tectonic movement

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Across
  1. 1. The rigid outer layer of the Earth, consist of crust and the uppermost part of mantle.
  2. 6. Boundary where two plates slide past each other.
  3. 9. A sudden release of energy in the Earth’s crust.
  4. 10. The process of one plate sinking beneath another.
  5. 12. Molten rock beneath the Earth’s surface.
  6. 14. Boundary where two tectonic plates move apart.
  7. 15. The semi-fluid layer beneath the lithosphere.
Down
  1. 1. Molten rock that has erupted onto the Earth’s surface.
  2. 2. The study of the movement and deformation of the Earth’s crust.
  3. 3. Large, rigid pieces of the Earth’s lithosphere.
  4. 4. Plate where Hong Kong is located.
  5. 5. The earth layer with the highest temperature.
  6. 7. The layer of the Earth between the crust and the core.
  7. 8. Plate around which vibrant and frequent tectonic movement occur.
  8. 11. Boundary where two tectonic plates move toward each other.
  9. 13. An opening in the Earth’s surface where magma erupts.