Click on the picture below to watch the video. Then, write a brief summary of how the Grand Canyon was formed. What factors played the main roles in the formation of the Grand Canyon? The video is available in English and Spanish.
9 Comments
Teddy
11/8/2014 12:07:26 am
The Grand canyon was formed 80 million years ago. two plates collated in Americas north west region
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Teddy
11/8/2014 01:30:09 am
And that was how the grand canyon was formed
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fortune
11/10/2014 10:02:00 am
really
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11/8/2014 09:13:11 am
80 million years ago, the North American Plate and Pacific Plate collided and then the Colorado River and the Freight Train separated the two plates. It took 4 million years for the Colorado River and the Freight Train to separate the the North American and Pacific Plate. That is how the Grand Canyon was formed
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fortune o
11/10/2014 10:10:32 am
80 million yrs ago the North American plate and pacific plate collided and then the Colorado river and the Freight train separated the 2 plates also that many scientists said it took about 4 million yrs 4 the Colorado river to carve the Grand Canyon
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Emily
11/11/2014 08:01:07 am
80 milliyon years!!! I didn't know that:0
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daniela acosta
11/11/2014 08:23:51 am
wow! I cant believe the scientist thought It would take 4 million years to crave the canyon!
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Yahir
11/11/2014 09:51:14 am
I didn't know that the grand canyon was 18 miles apart
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christian perez
11/11/2014 10:21:09 am
the pacific plate went under the north american plate but the river it's self did not cause it all though.the little stream sand rivulets that were carving into the canyon's wall.!! (that's also what i wrote on my home work
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