Continental Drift Liz LaRosa for use with my 5th Grade Science Class http://www.middleschoolscience.com 2009.

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Presentation transcript:

Continental Drift Liz LaRosa for use with my 5th Grade Science Class http://www.middleschoolscience.com 2009

Alfred Wegener Proposed the the hypothesis of continental drift.

Continents used to be together.

Pangaea: the super continent Greek word for “all Earth”

The earth split again

Pangaea

Pangaea Evidence

Evidence of Pangea

Tectonic Plates

How Plates Move http://pubs.usgs.gov/gip/dynamic/unanswered.html

Plate Tectonics Greek – “tektonikos” building Pieces of the lithosphere that move around Each plate has a name Fit together like jigsaw puzzles Float on top of mantle similar to ice cubes in a bowl of water

Review Name the 3 main layers of the Earth What is a tectonic plate? Who the hypothesis of proposed continental drift? What was Pangea? Name 3 evidences for continental drift.

Stop here!!