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How the Earth Was Made: America’s Ice Age

44 minutes 1 seconds

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As shown on the History Channel. Why do we have ice ages and when is the next one due? Chart the progress of different ice ages through the history of our planet, from Snowball Earth hundreds of millions of years ago to the recent ice ages. As the Earth circles the sun, its orbit changes slightly and so does it angle of rotation. When the right wobble in our rotation combines with the right orbit, the Earth is, and will again be, plunged into an ice age--but maybe not for a few thousand years.

Media Details

Runtime: 44 minutes 1 seconds

How the Earth Was Made
Season 2 / Ep 1
44 minutes 1 seconds
Grade Level: 9 - 12
How the Earth Was Made
Season 2 / Ep 2
44 minutes 1 seconds
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How the Earth Was Made
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44 minutes 3 seconds
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44 minutes 1 seconds
Grade Level: 9 - 12
How the Earth Was Made
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How the Earth Was Made
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Grade Level: 9 - 12
How the Earth Was Made
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44 minutes 1 seconds
Grade Level: 9 - 12
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Season 2 / Ep 10
44 minutes 50 seconds
Grade Level: 9 - 12