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Introduction: In 1915, a German scientist named Alfred Wegener (VAY-guh-ner) proposed the theory of continental drift. According to this theory, the landmasses once were joined into a supercontinentcalled Pangaea. The landmasses then slowly drifted to their current positions.Question: What did Pangaea look like?1.Observe: Drag South America close to Africa. Look at their coastlines. What do you notice?3.Analyze: Look at your map of Pangaea. A.How well do the continents fit together?
B.Is it a perfect fit? Explain. C.Think about how the landmasses got from where they were to where they are today. Does it seem realistic that the landmasses could have moved like this? Explain.4.Compare: If possible, present your map of Pangaea to your classmates and teacher. Look atother maps, and talk about each one. A.Are the maps very similar or very different? B.If Alfred Wegener showed you a map like this but did not have any other evidence, would you have believed his theory that the continents had moved? Explain.
Activity B: Fossil and rock evidenceGet the Gizmo ready:Click Reset. Under Evidence choose Fossils.