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Continental Drift Presentation1


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The theory of continental drift and evidence for supporting it.

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Continental Drift Presentation1

  1. 1. Continental Drift
  2. 2. Theory of Plate Tectonics Alfred Wegener’s 1915 drawing of Pangaea
  3. 3. Continental Drift
  4. 4. How do Plates Move?
  5. 5. Good Fit What is some Evidence to support his Theory
  6. 6. Rocks & Mountains
  7. 7. Fossils
  8. 8. Sea Floor Spreading
  9. 9. Age of the Sea Floor
  10. 10. Evidence for the Theory <ul><li>Continental shelves seem to fit together </li></ul><ul><li>Rock units and mountain ranges fit Pangaea </li></ul><ul><li>Fossil types fit Pangaea </li></ul><ul><li>Ocean research uncovered sea floor spreading </li></ul><ul><li>Radio-geology allowed us to date the age of rocks </li></ul><ul><li>Polarity of Rocks-Magnetic Evidence </li></ul>
  11. 11. Why do we Care? <ul><li>Curiosity </li></ul><ul><li>Explain landforms </li></ul><ul><li>Find valuable minerals </li></ul><ul><li>Explain and predict potential hazards </li></ul>