Crust Movement

Edit Answers
12345678910111213141516171819
Across
  1. 3. A fracture in Earth’s crust where movement has occurred.
  2. 5. A sudden release of energy in Earth's crust causing shaking.
  3. 6. Boundary where plates move toward each other.
  4. 9. The rigid outer layer of Earth that includes the crust and upper mantle.
  5. 12. The process where one plate sinks beneath another.
  6. 13. The circulation within Earth's mantle that drives plate movements.
  7. 14. Large rigid slabs that make up Earth's lithosphere.
  8. 16. The study of Earth's crust and its movements.
  9. 18. Boundary where plates move apart.
  10. 19. A mountain formed by magma from beneath the crust reaching the surface.
Down
  1. 1. Ridge An underwater mountain range formed by divergent boundaries.
  2. 2. A deep depression in the ocean floor caused by subduction.
  3. 4. The semi-fluid layer beneath the lithosphere that allows for plate movement.
  4. 6. Drift The theory that continents move over Earth's surface.
  5. 7. A location in the mantle where magma rises through the crust, often forming islands.
  6. 8. A crack or valley formed where plates are moving apart.
  7. 10. The layer of Earth below the crust, where convection currents drive plate movement.
  8. 11. The rising of Earth’s crust due to tectonic forces.
  9. 15. Boundary where plates slide past each other horizontally.
  10. 17. Floor The ocean floor where new crust forms at divergent boundaries.