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Understanding Plate Tectonics and Continental Drift: A Study Guide

This comprehensive study guide addresses critical concepts of plate tectonics, including the puzzle-like fit of continents, fossil evidence, and geological features supporting continental drift. Key topics include the processes of divergent, convergent, and transform boundaries, along with the significance of Laurasia and Gondwanaland. The guide explains oceanic and continental interactions, geological formations like mid-ocean ridges, mountains, and volcanic islands, and the implications of resource usage, differentiating between renewable and non-renewable resources. Ideal for students seeking to understand Earth's dynamic systems.

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Understanding Plate Tectonics and Continental Drift: A Study Guide

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  1. Chapter 17 Study Guide Answers

  2. #1 • Pangaea

  3. #2 • 1. Puzzle-like fit • 2. Widespread plant • 3. Animal fossil • 4. Climate clues (glaciers) • 5. Rock clues (similar mountains)

  4. #3 • Oceanic and continental • Oceanic and oceanic • Continental and continental will not have subduction.

  5. #4 • Divergent • Convergent • Transform

  6. #5 • Divergent- Mid-ocean ridges • Convergent (without subduction)- Mountains • Convergent (with subduction)- Volcanoes, volcanic islands, and deep-sea trenches • Transform- Earthquakes

  7. #6 • Laurasia

  8. #7 • Gondwanaland

  9. #8 • The continents drifted apart to their current locations.

  10. #9 • Hot rising • Cool sinking • Circular motion

  11. #10 • When a oceanic plate goes under another oceanic plate of a continental plate. It is a type of convergent boundary.

  12. #11 • Younger crust is in the middle • Older crust is on the outside • Divergent Boundary

  13. #12 Asthenosphere

  14. #13 • The Atlantic Ocean is expanding because 4 plates form a divergent boundary in the middle of the ocean. This is causing the seafloor to spread apart. The Pacific Ocean is shrinking because the Pacific Plate is surrounded by convergent plate boundaries that have subduction. Basically the Pacific Ocean is being consumed.

  15. #14 • Renewable- a natural resource that can used over and over without depleting its supply. Ex. hydropower, solar, wind, biomass, and geothermal. • Nonrenewable- a resource that exists in the Earth’s crust in a fixed amount that takes a long time to be replaced. Ex. Uranium, petroleum (oil), natural gas, propane, and coal.

  16. #15

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