Plate Tectonics

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Across
  1. 4. The process of a less dense plate sinking below a more dense plate.
  2. 5. the outermost physical layer of the earth
  3. 7. the hypothesis that today's continents were once apart of a single land mass.
  4. 8. When 2 tectonic plates move away from one another
  5. 9. process of new seafloor forming.
  6. 10. a system of ideas that explains many related observations about the natural world.
Down
  1. 1. states earth's surface is made up of giant, moving slabs called tectonic plates.
  2. 2. when tectonic plates move toward each other and collide.
  3. 3. The lithosphere is divided into large moving pieces
  4. 6. the layer that is semi-solid and immediately below the lithosphere.