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Pangea

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For Deaf and hard of hearing students in Ms. AmyLC's World History class.

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Pangea

  1. 1. What is a Theory?What is a What is Pangea?What is Continental Drift?
  2. 2. =Alfred Wegener: German scientist
  3. 3. Geologists study rocks and fossils.Wegener was a geologist.
  4. 4. ? 1912: The Theory of Continental DriftAlfred Wegener
  5. 5. land 1912: The Theory of Continental Drift idea movementAlfred Wegener
  6. 6. 1912: The Theory of Continental DriftWegener studied fossils from South American and Africa. He saw some fossils were the same.
  7. 7. 1912: The Theory of Continental DriftWegener studied fossils from South American and Africa. He saw some fossils were the same.
  8. 8. 1912: The Theory of Continental DriftWegener studied fossils from South American and Africa. He saw some fossils were the same.
  9. 9. 1912: The Theory of Continental DriftWegener studied fossils from South American and Africa. He saw some fossils were the same.
  10. 10. 1912: The Theory of Continental DriftSome fossils were the same. How did that happen?
  11. 11. 1912: The Theory of Continental Drift
  12. 12. 1912: The Theory of Continental Drift
  13. 13. PangeWegener wrote an article about this theory. He invented the name ‘Pangea.’
  14. 14. Pangea.From the Greek wordsPan = ‘all’ andGaia = ‘Earth’
  15. 15. Pangea, the Supercontinent
  16. 16. Eurasia Africa AustraliaAntarctica
  17. 17. 65,000,000 years ago
  18. 18. Now
  19. 19. http://pubs.usgs.gov/gip/dynamic/historical.html#anchor4833509
  20. 20. 1,600,000,000 years ago
  21. 21. Today
  22. 22. Copyright: C. R. Scotese, PALEOMap Projecthttp://www.ucmp.berkeley.edu/geology/anim1.html
  23. 23. Copyright: C. R. Scotese, PALEOMap Projecthttp://www.ucmp.berkeley.edu/geology/anim1.html
  24. 24. Copyright: C. R. Scotese, PALEOMap Projecthttp://www.ucmp.berkeley.edu/geology/anim1.html
  25. 25. Copyright: C. R. Scotese, PALEOMap Projecthttp://www.ucmp.berkeley.edu/geology/anim1.html
  26. 26. Copyright: C. R. Scotese, PALEOMap Projecthttp://www.ucmp.berkeley.edu/geology/anim1.html
  27. 27. Copyright: C. R. Scotese, PALEOMap Projecthttp://www.ucmp.berkeley.edu/geology/anim1.html
  28. 28. Question: Why are the continents drifting?
  29. 29. This is a plate. This is a plate.Answer: Plate tectonics
  30. 30. This is a plate. This is a plate.plate = landtectonics = building or moving
  31. 31. Answer: Plate tectonics
  32. 32. This is a plate. This is a plate. This is a plate. This is a plate.This is a plate. Answer: Plate tectonics
  33. 33. http://dogfoose.com/2011/03/plate-tectonics/
  34. 34. The red areas around the plates (the plate boundaries) are ‘hot zones’ whereearthquakes happen.
  35. 35. The red areas around the plates (the plate boundaries) are ‘hot zones’ whereearthquakes happen.
  36. 36. How do the plates move?
  37. 37. Earthquakes happen between the plates.1. Plates slide past each other.
  38. 38. Example: The San Andreas Fault in California
  39. 39. Volcanoes erupt between the plates under the ocean. The ocean floor bigger.2. Plates separate from each other.
  40. 40. Example: This Rift Valley in East Africa
  41. 41. Crashing plates make mountains. 3. Plates crash into each other.http://www.divediscover.whoi.edu/tectonics/tectonics-collide.html
  42. 42. 3. Example: Mountains in Peru, South America
  43. 43. Will the continents continue to drift?What will the earth look like in the future?
  44. 44. Will the continents continue to drift?What will the earth look like in the future? http://files.myopera.com/edwardpiercy/blog/6-Future-250AP-2.jpg
  45. 45. finis

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