Continental+Drift+Theory+Template

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Continental+Drift+Theory+Template

  1. 1. Continental Drift Theory By: Wesley Sluga Grade 6 Mr. Halpainy
  2. 2. Alfred Wegener <ul><li>1905, Wegener earned his Ph.D. in astronomy at the University of Berlin </li></ul><ul><li>Wegener held the longest flight in a balloon at 52 hours. </li></ul><ul><li>1912, Wegener publicly advocated the continental drift theory </li></ul><ul><li>1915, Wegener published book on Pangaea, the idea that the continents were once joined </li></ul><ul><li>Wegener died from hart failure near Eismitte </li></ul>
  3. 3. Continental Drift Theory <ul><li>The theory that the continents were once joined and they have sense drifted apart. </li></ul>
  4. 4. Continental Drift Theory Evidence <ul><li>The coast of South America and Africa look like they could be joined together, they are believed to be part of this theory. </li></ul><ul><li>Same fossils have been found in completely different parts of the world, they couldn’t have swam that far, so that means the continents were together. </li></ul><ul><li>Spitsbergen is really cold, it could not have supported tropical life in its current position, but if it had been closer to the Equator, and drifted away, it could be possible. </li></ul>
  5. 5. Harry Hess <ul><li>Started as electrician, went to geology. </li></ul><ul><li>Joined Prinsten </li></ul>
  6. 6. Sea Floor Spreading <ul><li>What is it </li></ul>
  7. 7. Sea Floor Spreading Evidence <ul><li>What are the three evidences that it happens? Explain each one </li></ul>
  8. 8. Other Definitions <ul><li>Subduction- </li></ul><ul><li>Mid-Ocean Ridge- </li></ul><ul><li>Sonar- </li></ul>

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