University of Illinois Extension

Get My Drift

At one time, the earth was just one large supercontinent called Pangaea. And Pangaea was a rigid form of rocks floating on the asthenosphere . Like a group of boats in the middle of a lake, they drift apart over time. That's what happened to Pangaea and eventually seven continents were formed.

map of Pangea

Plate tectonic map by C. R. Scotese, PALEOMAP Project (www.scotese.com)
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