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How the Grand Canyon was formed.
Updated: 10/2/2020
How the Grand Canyon was formed.
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Storyboard Text

  • One theory of how the Grand Canyon formed is that the Colorado river poured into a basin which formed a giant lake.
  • A long long time ago...
  • There was a mountain range the size of the Himalayan mountains. Where the Grand Canyon is now.
  • Then 5.5 billion years ago...
  • The Grand Canyon formed.
  • But Wait...How did this canyon form?
  • The lake then rose and spilled over a plateau. The water was so powerful that it carved the canyon.
  • A lot of the Grand Canyon is still a mystery, but this is what we think happened.
  • That is how the Grand Canyon was formed.
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