Continental Drift Presentation1

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Post on 25-Jan-2015

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The theory of continental drift and evidence for supporting it.

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<ul><li> 1. Continental Drift </li> <li> 2. Theory of Plate Tectonics Alfred Wegeners 1915 drawing of Pangaea </li> <li> 3. Continental Drift </li> <li> 4. How do Plates Move? </li> <li> 5. Good Fit What is some Evidence to support his Theory </li> <li> 6. Rocks &amp; Mountains </li> <li> 7. Fossils </li> <li> 8. Sea Floor Spreading </li> <li> 9. Age of the Sea Floor </li> <li> 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></li> <li> 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></li> </ul>