Africa The Great Rift Valley

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  • 1. The Great Rift Valley, Africa Matt Bunker
  • 2. Essential Question
    • What makes the Great Rift Valley such a geographical phenomenon?
  • 3. What is It?
    • The Great Rift Valley is a deep trench that runs through vertically through Africa, ranging in width and elevation.
  • 4. What I Knew
    • I already knew that the Great Rift Valley is located in Eastern Africa. I also knew that a rift is a break in the Earth’s surface that makes a deep trench, made by a force called plate tectonics. I knew that Mount Kilimanjaro is on the edge of the great Rift Valley too.
  • 5. Why I Chose this Topic
    • The force that created the Great Rift Valley was taught to us in Science class. That made this topic sort of stand out to me because I already had some background knowledge, but I wanted to know more about it.
  • 6. Formation
    • The Great Rift Valley was formed about 35 million years ago when the Earth’s plates split apart, forming a rift in the Earth’s crust. As the plates continue to drift apart, the Great Rift Valley keeps changing and pulling.
  • 7. Size
    • The Great Rift Valley is approximately 3,600 miles in length, making it the longest fault system in the world
    • It ranges from 19 to 63 miles wide
    • Elevation ranges from 1,300 below sea level (at the Dead Sea) to 6,000 feet above sea level (at Southern Kenya)
  • 8. Landforms
    • Mountains, like Mount Kilimanjaro, Mount Kenya, and Mount Margherita, are located on the edge of the Great Rift Valley.
    • Most major lakes of Africa are located near the Great Rift Valley, like Lake Turkana and Lake Nyssa
    • About 20 volcanoes are on the Great Rift Valley’s southern edge
  • 9. Future
    • If the Great Rift Valley continues to grow the way it is, it could be flooded by water, which would form a new gulf or a new sea.
  • 10. Interesting Information
    • What I think is the most surprising fact was that in the future the Great Rift Valley could become a new body of water. I was also surprised that The Great Rift Valley is the longest fault system in the world.
  • 11. Questions
    • How long will it take the Great Rift Valley to fill with water when it happens?
    • If the Great Rift Valley is filled by water an turns into a gulf or sea, how will this effect the life around it?
  • 12. Websites
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    • 8. Textbook