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Plate Tectonics Day 2

Plate Tectonics Day 2. Just for fun Scrat and Continental Drift-Ice Age 4 Pangaea’s Moving Farther Apart Again Song The Continental Drift Song (Breaking Up Is Hard to Do). Review. Plate tectonic Theory http://www.odsn.de/odsn/services/paleomap/animation.html

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Plate Tectonics Day 2

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  1. Plate Tectonics Day 2 • Just for fun Scrat and Continental Drift-Ice Age 4 • Pangaea’s Moving Farther Apart Again Song • The Continental Drift Song (Breaking Up Is Hard to Do)

  2. Review • Plate tectonic Theory http://www.odsn.de/odsn/services/paleomap/animation.html • Surface of earth made of rigid “plates” • Float on asthenosphere and is in constant motion • Explains Drifting continents Mountain building Earthquakes Volcanic activity

  3. Convection Currents

  4. Convection Currents and the Mantle

  5. ffects of crustal plate movement!

  6. Constructive ForcesHelp build land There are 3Types of Boundaries And 1 undifined Click picture for video http://www.learner.org/interactives/dynamicearth/plate.html

  7. Divergent Boundaries http://www.learner.org/interactives/dynamicearth/slip3.html • Boundary between two plates that are moving apart or rifting   • RIFTING causesSEAFLOOR SPREADING

  8. Pull Apart platessplit; hot molten rock from the mantle rises, cools and causes the floor to spread. Ex. The Mid-Atlantic Ridge

  9. Divergent Boundary Iceland Divided

  10. Division

  11. Convergent Boundarieshttp://www.learner.org/interactives/dynamicearth/slip2.html • Boundaries between two plates that are colliding  

  12. Collide platescrash into one another and form mountains over millions of years. Ex. The Himalayas

  13. Convergent Boundaries Himalayas

  14. Subductionhttp://www.learner.org/interactives/dynamicearth/slip2.htmlSubductionhttp://www.learner.org/interactives/dynamicearth/slip2.html oceanic plates collide with continental plates, and slide beneath them creating trenches. Ex. Mt. St. Helens

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