The Theory of Continental Drift

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The Theory of Continental Drift

Presentation transcript:

The Theory of Continental Drift Continental Drift Discovery

The World

ALFRED WEGENER THEORY OF CONTINENTAL DRIFT Found evidence for PANGAEA and proposed the theory of continental drift.

Continental Drift (p95 red book, 182 in Sciencesaurus) Theory that continents were once part of a single landmass that broke apart and have moved to their present locations. can drift apart from one another and have done so in the past For more information about what the continents looked like throughout the Earth’s History go to: htttp://www.ucmp.berkeley.edu/geology/anim1.html

Pangaea Pangaea is the name given to the single landmass that was present 200 million years ago Can you name the continents in Pangaea? http://kids.earth.nasa.gov/archive/pangaea/Pangaea_game.html

WEGENER’S EVIDENCE Continents “fit together” like puzzle pieces

WEGENER’S EVIDENCE Fossil Evidence fossils are remains of living things that lived long ago. similar fossils have been discovered in matching coastlines on different continents.

WEGENER’S EVIDENCE

WEGENER’S EVIDENCE Mountains Some mountain ranges on different continents seem to match. Ex: ranges in Canada match Norway and Sweden Ex: Appalachian Mtn. match UK mtn

WEGENER’S EVIDENCE Climatic evidence such as glaciers in areas that are now close to the Equator