Plate Tectonics Vocab Review

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Across
  1. 5. the lithosphere is broken into moving pieces called
  2. 8. the thickest layer of the earth.
  3. 12. where plates move apart; also called seafloor spreading.
  4. 13. dense oceanic crust moves under less dense continental crust.
  5. 14. where plates slide past each other.
  6. 16. a combination of the crust and the uppermost mantle.
Down
  1. 1. land under the continents.
  2. 2. land under oceans.
  3. 3. type of crust that is thicker and less dense.
  4. 4. outermost layer of the earth.
  5. 6. where two plates collide.
  6. 7. innermost layer of the earth that is a solid metal ball.
  7. 9. a layer of the mantle that has convection currents of rock that move in circles like an escalator.
  8. 10. when plates collide and move up. Ex)Himalayas
  9. 11. type of crust that is thinner and more dense.
  10. 15. liquid layer of the earth made of melted rock.