Plate Tectonics Vocab

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Across
  1. 4. Canadian Scientist who developed the theory of plate tectonics
  2. 5. Proposed the theory of sea-floor spreading
  3. 6. The man who investigated continental drift
Down
  1. 1. Creates new ocean floor at mid-ocean ridges
  2. 2. A supercontinent, containing all of Earth's land together
  3. 3. Circular currents in the mantle caused by magma