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Understanding Plate Tectonics and Sea Floor Spreading

This educational resource delves into the concepts of plate tectonics, sea floor spreading, and the dynamic nature of Earth's crust. It explores the lithosphere, asthenosphere, and the role of convection currents in magma movement. Key features including divergent, convergent, and transform boundaries, as well as notable geological formations like mid-ocean ridges, rift valleys, and the Himalayas, are discussed. The impact of these processes on Earth's landscape, including the formation of mountains and earthquakes, is highlighted for a comprehensive understanding of geological phenomena.

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Understanding Plate Tectonics and Sea Floor Spreading

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  1. Plate Tectonics Sea Floor Spreading Crustal Features Vocabulary Plate Boundaries $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 by: Rebecca McCown

  2. A. Convection currents of magma in the Earth’s mantle.

  3. The Lithosphere – the Earth’s crust that is broken up into huge pieces.

  4. C. At plate tectonic boundaries

  5. C. Asthenosphere

  6. C. A Hot Spot

  7. B. Convergent

  8. Divergent

  9. C. Transform boundary

  10. A. Divergent Boundaries

  11. B. Convergent Boundary

  12. A. Mid-Ocean Ridges

  13. B. They’ll move further apart

  14. Sea Floor Spreading

  15. D. Furthest away from the ridge

  16. California is located on a plate boundary where plates slide past each other. The San Andreas Fault is a transform boundary.

  17. B. Rift Valley

  18. D. Trench

  19. C. Volcano

  20. Mountain Range The Himalaya Mountain Range formed because India is crashing into Asia

  21. B. A Mid Ocean Ridge

  22. D. Sea Floor Spreading

  23. A. Subduction Zone

  24. C. Convection Currents

  25. B. Fault Lines

  26. D. Volcanoes – Magma is coming up at mid-ocean ridges and forming new sea floor. This forms volcanoes all along the mid-ocean ridges.

  27. Final Jeopardy

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