science

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Across
  1. 5. – supercontinent that existed long ago.
  2. 8. – about Earth’s moving plates.
  3. 11. – related to landmasses or continents.
  4. 13. – a crack in Earth’s crust.
  5. 15. – the point on Earth’s surface above an earthquake.
  6. 17. – related to the ocean floor.
  7. 18. – place where magma rises through the crust.
  8. 20. – shaking of the ground from moving plates.
Down
  1. 1. – plates moving apart.
  2. 2. current – circular flow in the mantle that moves plates.
  3. 3. – plates moving together.
  4. 4. – a break or crack in rock.
  5. 6. – when one plate slides under another.
  6. 7. – thick layer of hot rock under the crust.
  7. 9. – Earth’s thin outer layer.
  8. 10. – large slab of Earth’s crust that moves.
  9. 12. – plates sliding past each other.
  10. 14. – the solid outer layer of Earth (crust + upper mantle).
  11. 16. – melted rock beneath Earth’s surface.
  12. 19. – deep valley in the ocean floor.