Continental Drift Theory Robert Dubuc
Alfred Wegener <ul><li>Born-November 1, 1880 </li></ul><ul><li>Died   November 2, 1930 (age 50) </li></ul><ul><li>evidence...
Continental Drift Theory <ul><li>It is the plates slowly moving around the Earth </li></ul>
Continental Drift Theory Evidence <ul><li>Landforms  </li></ul><ul><li>Same land forms on other continents </li></ul><ul><...
Harry Hess <ul><li>Born May 24, 1906 </li></ul><ul><li>Died August 25, 1969 </li></ul><ul><li>an electrical engineering ma...
Sea Floor Spreading <ul><li>Makin’ new sea floor </li></ul>
Sea Floor Spreading Evidence <ul><li>Molten materials </li></ul><ul><li>Magma coming up from sea floor </li></ul><ul><li>D...
Other Definitions <ul><li>Subduction-Melts the sea floor  </li></ul><ul><li>Mid-Ocean Ridge-Makin ocean floor </li></ul><u...
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Continental+Drift+Theory+Template

  1. 1. Continental Drift Theory Robert Dubuc
  2. 2. Alfred Wegener <ul><li>Born-November 1, 1880 </li></ul><ul><li>Died November 2, 1930 (age 50) </li></ul><ul><li>evidence in support of continental drift </li></ul><ul><li>It awards the Wegener Medal in his name </li></ul><ul><li>hypothesized that the continents were slowly drifting around the Earth </li></ul>
  3. 3. Continental Drift Theory <ul><li>It is the plates slowly moving around the Earth </li></ul>
  4. 4. Continental Drift Theory Evidence <ul><li>Landforms </li></ul><ul><li>Same land forms on other continents </li></ul><ul><li>Fossils </li></ul><ul><li>Same fossils on continents </li></ul><ul><li>Climate </li></ul><ul><li>Same climate contents </li></ul>
  5. 5. Harry Hess <ul><li>Born May 24, 1906 </li></ul><ul><li>Died August 25, 1969 </li></ul><ul><li>an electrical engineering major in 1923 </li></ul><ul><li>Harry Hess taught for a year at Rutgers University in New Jersey </li></ul><ul><li>Hess joined the United States Navy during World War II </li></ul>
  6. 6. Sea Floor Spreading <ul><li>Makin’ new sea floor </li></ul>
  7. 7. Sea Floor Spreading Evidence <ul><li>Molten materials </li></ul><ul><li>Magma coming up from sea floor </li></ul><ul><li>Drilling samples </li></ul><ul><li>Same metals in different spots </li></ul><ul><li>Magnetic stripes </li></ul><ul><li>Switched stripes </li></ul>
  8. 8. Other Definitions <ul><li>Subduction-Melts the sea floor </li></ul><ul><li>Mid-Ocean Ridge-Makin ocean floor </li></ul><ul><li>Sonar-how deep the ocean floor is </li></ul>

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