Chapter 9 Plate Tectonics

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Across
  1. 1. place where seafloor spreading takes place
  2. 3. used to determine the location of the magnetic poles
  3. 4. heating and cooling of fluid, changes in fluid’s density
  4. 8. heat transfer within a material or between materials that are touching
  5. 9. breaks in Earth’s crust where rocks have slipped past each other
  6. 11. continually adds new material to the ocean floor along a mid-ocean ridge
  7. 13. heat transfer by movements within a fluid (liquid/gas)
  8. 16. continents slowly moved over Earth’s surface
  9. 17. place where 2 plates come together
Down
  1. 2. place where 2 plates move apart
  2. 5. occurs when one oceanic plate is forced down into the mantle beneath a second plate
  3. 6. transfer of energy through space
  4. 7. spot is a concentration of heat in the mantle capable of producing magma
  5. 10. plates fit together along cracks in the lithosphere
  6. 12. any trace of an ancient organism that has been preserved in rock
  7. 14. Place where 2 plates slip past each other, moving in opposite directions
  8. 15. existed 300 million years ago super continent