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Ch5 Sec3 Drifting Continents. Ch5 Sec3 What was Alfred Wegener’s hypothesis about the continents? What evidence supported Wegener’s hypothesis? Why was.

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Presentation on theme: "Ch5 Sec3 Drifting Continents. Ch5 Sec3 What was Alfred Wegener’s hypothesis about the continents? What evidence supported Wegener’s hypothesis? Why was."— Presentation transcript:

1 Ch5 Sec3 Drifting Continents

2 Ch5 Sec3 What was Alfred Wegener’s hypothesis about the continents? What evidence supported Wegener’s hypothesis? Why was Wegener’s hypothesis rejected by most scientists of his day?

3 Ch5 Sec3 Continental drift Pangaea Fossil

4 Ch5 Sec3 Continental Drift – Wegener’s hypothesis was that all the continents were once joined together in a single landmass and have since drifted apart – Continental drift: Wegener’s idea that the continents slowly moved over Earth’s surface become – Pangaea: means “all lands” – Wegener gathered evidence from different scientific fields to support his ideas about continental drift. He studied land features, fossils, and evidence of climate change – Fossil: is any trace of an ancient organism that has been preserved in rock – Unfortunately, Wegener could not provide a satisfactory explanation for the force that pushes or pulls the continentsSS


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