Anaya's Plate Tectonic Puzzle

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Across
  1. 3. The boundary where two plates slip past each other moving in opposite directions.
  2. 6. Breaks in Earth's crust where rocks have slipped past each other.
  3. 9. These separate sections are what the lithosphere is broken into.
  4. 10. The boundary where two plates come together.
  5. 11. The part of the mantle just below the lithosphere.
  6. 12. The boundary where two platesmove apart from each other.
  7. 13. Ridges that wind beneath Earth's oceans.
  8. 14. Pieces of Earth's lithosphere are in slow, constant motion driven by convection currents in the mantle.
  9. 16. The uttermost part of the mantle and crust.
  10. 18. The process by which the ocean floor sinks beneath a deep ocean trench and back into the mantle.
  11. 20. Indirect evidence of Earth's interior.
Down
  1. 1. He came up with Pangaea Theory
  2. 2. The idea that continents moved over the Earth's surface.
  3. 4. Direct evidence of Earth's interior.
  4. 5. Outer layer of the Earth.
  5. 7. Pangaea
  6. 8. This is where the oceanic crust bends downward.
  7. 15. A device that bounces waves off underwater objects and records the echoes using sound waves.
  8. 17. The man who proposed the sea-floor spreading idea
  9. 19. Any trace of an ancient organism that has been reserved in a rock.