Plate Tectonics Crossword

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Across
  1. 3. tectonics, The Theory that lithospheric plates move relative to one another; they can collide, spate or slide past one another.
  2. 4. boundaries, Plate boundaries where the plates slide past one another.
  3. 9. boundary, Plate boundary where the plates collide causing mountain ranges or volcanoes along subduction zones.
  4. 10. spreading, Where seafloor spreads apart at a mid-oceanic ridge during plate tectonic movement.
  5. 11. is stiff, rigid outer rind of Earth which makes up plates
  6. 12. Thick layer of Earth below the crust and above the core.
  7. 13. innermost layer of the Earth, consisting of iron and nickel.
Down
  1. 1. boundary, Plate boundary where the plates move away from each other, creating mid-ocean ridges.
  2. 2. zones, Zones along convergent boundaries where one plate descends beneath another plate.
  3. 5. Part of Earth’s mantle below the lithosphere that behaves in a plastic manner.
  4. 6. ridges, A high standing rift or spreading zone in an ocean
  5. 7. volcano, An isolated volcano lying above a plume or hot column of rock in Earth’s mantle.
  6. 8. A depression found at the bottom of the ocean floor at a subduction zone.