Across
- 1. deep valley in an ocean subduction zone
- 6. plates coming apart
- 8. plates sliding against each other
- 11. plates move on top of this plastic layer
- 12. where convection currents happen
- 14. innermost layer of the earth
- 15. where two plates meet
- 17. where hot rock rises from the mantle and erupts onto the surface of the earth
- 18. one plate sinking below another
- 19. divergent plate boundary on land
- 20. convergent plate boundary
Down
- 2. divergent plate boundary below water
- 3. chunk of lithosphere that moves around
- 4. molten rock beneath the earth's surface
- 5. upper layer of earth
- 7. plates coming together
- 9. thinner and denser than continental
- 10. thicker and less dense than Oceanic
- 13. outermost layer of earth layers
- 16. liquid layer of ion and nickel