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Thursday 2/7/19 Notebook Entry: Think about last night’s reading assignment (pgs. 80-81). How might the discovery of mid-ocean ridges support Alfred Wegener’s.

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Presentation on theme: "Thursday 2/7/19 Notebook Entry: Think about last night’s reading assignment (pgs. 80-81). How might the discovery of mid-ocean ridges support Alfred Wegener’s."— Presentation transcript:

1 Thursday 2/7/19 Notebook Entry: Think about last night’s reading assignment (pgs ). How might the discovery of mid-ocean ridges support Alfred Wegener’s hypothesis of continental drift? Example of mid-ocean ridge

2 5 minutes

3 T = Continental Drift Evidence
Lines of Evidence 2-Column Notes T = Continental Drift Evidence Fossil evidence Fossils of the same plants and animals were found on South America, Africa, India, Antarctica & Australia. These plants and animals could not have traveled across the oceans.

4 T = Continental Drift Evidence
There are matching folded mountains along the coast of ________ Matching folded rock must be formed at the same time & place. Landform Evidence

5 T = Continental Drift Evidence
There are glacial deposits of rock and sediment on _____________. Some of the plant fossils do not match the current climate of the continent. Climate Evidence

6 Challenge to Wegener's Hypothesis
Poor explanation for the force that pushes or pulls the continents and causes them to move.

7 What other evidence could support Wegener’s idea
The ocean floor gives us many clues…how did we find these clues? Marie Tharp’s Maps

8


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