Plate Tectonics

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Notes and terms from Pearson 6th Grade Earth Science

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Plate Tectonics

  1. 1. Ch. 3- Plate Tectonics
  2. 2. Layers of the Earth 1.
  3. 3. A. _____- (5 to 35 km) continental and oceanic; made up of stiff crust and upper mantle (_________) crust lithosphere
  4. 4. <ul><li>___________- dark rock with fine texture (_________ crust) </li></ul><ul><li>___________- light color, coarse texture (___________ crust) </li></ul>basalt oceanic granite continental
  5. 5. B. ______ (_____________)- plastic or taffy-like substance under the crust mantle asthenosphere
  6. 6. C. _____- outer core: _______, composed of iron and nickel; inner core: _____, iron and nickel core liquid solid
  7. 7. 2. Heat transfers <ul><li>_________- transfer of heat (energy) by means of ________________________ </li></ul><ul><li>__________- transfer of heat through matter by ______________ (ouch!) </li></ul>stove pan water spoon hand radiation electromagnetic waves conduction touch
  8. 8. C. __________- transfer of heat due to movement of ____ caused by _________ differences. (Ex. furnace) convection air temperature
  9. 10. radiation conduction convection
  10. 11. 3. ____________- how much volume (thickness) a substance has density
  11. 12. 4. _________ ______- heating, rising, cooling and sinking convection current
  12. 13. 5. ________________- the hypothesis that states that land masses were once ___ __________ but have since separated and moved apart continental drift one continent
  13. 14. 6. ________- all Earth in one super continent Pangaea
  14. 15. 7. ___________-any trace of an ancient organism that is found in rock fossil
  15. 16. 8. _______________- the area of the ocean floor that is pulling apart; ________; wher e new crust is being formed Sea-floor spreading rift zone
  16. 17. 9. _______- pieces of the Earth’s crust and upper mantle plates
  17. 19. 10. _______________- crustal movement and changes plate tectonics
  18. 21. 11. ___________- upper crustal blocks and upper hard mantle 12. ____________- upper plastic-like part of the mantle lithosphere asthenosphere
  19. 24. 13. Plate boundaries where plates meet
  20. 25. A. _________- where plates are pulling apart; force- ________ B. __________- where plates move toward one another overlapping; force- ___________ divergent tension convergent compression
  21. 26. C. _________- where plates move side by side in opposite directions or in the same direction at different speeds; force- __________ transform shearing
  22. 27. 14. _____________-area where one plate descends under another subduction zone

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