Bering land bridge – Native Americans

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Bering Strait - today there's ocean, but long ago there was a land bridge

Bering Strait – today there’s ocean, but long ago there it was the Bering land bridge

During an Ice Age, when the world is colder, more of the world’s water freezes into ice. So less water is in the oceans than before. This makes the level of the oceans lower, like the water in your bath is lower if you let some out. Because the ocean level is lower, more of the land sticks out, like your knees in the bath.

The Bering Strait today, with the land bridge underwater

The Bering Strait today, with the land bridge underwater

In some places, this makes islands where before the land had been underwater. In other places, this makes a long bridge of land that connects two different continents. During the last Ice Age, about 12000 BC, the Bering land bridge joined East Asia and North America, leading from Siberia to Alaska, and most archaeologists think that some people and dogs crossed over this land bridge and began to live in North America at that time.These probably weren’t the first people to come from Central Asia to North and South America – the first people may have come in an earlier Ice Age, or they may have come by boat.

The people who crossed on the land bridge probably got stuck in Alaska for quite a while, because giant glaciers were blocking the way south. They could only walk south after the Ice Age ended, when the glaciers melted.

Learn by doing: On a globe, trace the path people followed from Africa to South America
More about the Paleo-Indians

Bibliography and further reading about ice ages and land bridges:

Archaeology : Uncovering the Mysteries of Our Past, by Richard Panchyk (2001). With twenty-five projects, like counting tree rings, and serializing cars from photographs. Includes a project on soil types.

More about the Paleo-Indians home

By |2018-04-19T14:45:38+00:00June 20th, 2017|Environment, History, Native American|0 Comments
Cite this page: Carr, K.E. Bering land bridge – Native Americans. Study Guides, June 20, 2017. Web. July 17, 2018.

About the Author:

Dr. Karen Carr is Associate Professor Emerita, Department of History, Portland State University. She holds a doctorate in Classical Art and Archaeology from the University of Michigan. Follow her on Instagram, Pinterest, or Facebook, or buy her book, Vandals to Visigoths.

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