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Plate Tectonics

Plate Tectonics. Divergent Boundaries. Plates moving AWAY from each other. Landforms and effects. Mid-Ocean ridges Earthquakes New rock forming on plates (Africa, Iceland). Iceland. African Rift Valley. Convergent Boundaries. When plates come together or collide. Features .

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Plate Tectonics

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Presentation Transcript

  1. Plate Tectonics

  2. Divergent Boundaries • Plates moving AWAY from each other.

  3. Landforms and effects • Mid-Ocean ridges • Earthquakes • New rock forming on plates (Africa, Iceland)

  4. Iceland

  5. African Rift Valley

  6. Convergent Boundaries • When plates come together or collide

  7. Features • Trenches (Subduction) • Volcanoes • Mountains • Earthquakes

  8. Subduction

  9. Collision

  10. Himalayan Mountains

  11. Transform Boundaries • Plates SLIDE past each other, moving in opposite directions.

  12. San Andreas Fault

  13. Results • Earthquakes

  14. Evidence for Plate Movement • Shape of continents match up

  15. Fossil record • Rock layers

  16. evidence video

  17. Location of volcanoes and earthquakes

  18. Map with earthquakes and volcanos

  19. Magnetic stripes on the sea floor • Rock ages of the sea floor

  20. animation

  21. Satellite images

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