'Mid atlantic ridge' diaporamas de présentation

Continental Drift Theory

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Earth Science

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Who Was Alfred Wegener

Who Was Alfred Wegener. German meteorologist (person who studies the weather) Most research dealt with proving the existence of the jet stream Became famous for his Continental Drift Hypothesis. What is the Continental Drift Hypothesis. All continents were together in one landmass

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BAESI

BAESI. Plate Tectonics Ellen Metzger Director, Bay Area Earth Science Institue SJSU Geology and Science Education Program With thanks to Jon Hendricks, SJSU Geology Dept. for slides. Overview. Plate tectonics and the Next Generation Science Standards (see handout). Three components

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OCEAN BASINS

OCEAN BASINS. There is a copy of the oceanography text in the library at Des Plaines and Skokie. There is also a spiral bound note book at the Des Plaines library containing some of the overhead figures not seen in your text book. These figures also contain their web source.

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Earthquakes and Volcanoes

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3.3 Plates Move Apart

3.3 Plates Move Apart . Learn about: Different plate boundaries What happens when plates move apart. How the direction and speed of plates can be measured. Plate Boundaries. There are three kinds of plate boundaries Divergent Convergent Transform

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3.3 Plates Move Apart

3.3 Plates Move Apart . Learn about: Different plate boundaries What happens when plates move apart. How the direction and speed of plates can be measured. Plate Boundaries. There are three kinds of plate boundaries Divergent Convergent Transform

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Evidence for Continental Drift

Evidence for Continental Drift. Jigsaw Puzzle fit of continents. Alfred Wegener during Greenland expedition. More evidence. Matching fossils on continents now located thousands of miles apart. Example = Mesosaurus, a freshwater reptile Many others. Matching mountain ranges. More evidence.

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Earthquakes and Volcanoes

Earthquakes and Volcanoes. Key Ideas. Where do most earthquakes occur? How do scientists learn about earthquakes? What is a volcano?. What are Earthquakes?. Most earthquakes occur at boundaries of tectonic plates. What are Earthquakes?. As plates move, their edges experience stress.

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Plate Tectonic and Continental Drift

Plate Tectonic and Continental Drift. History of Continental Drift. Alfred Wegener proposed the Theory of Continental Drift in 1910 CONTINENTAL DRIFT : The continents are drifting on top of the ocean floors. They once were together in a massive continent called Pangaea.

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Plate Tectonics

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Plate Boundaries

Plate Boundaries. Plate Boundaries. Why do we care about plate boundaries?. Plate Boundaries. Volcanoes and earthquakes most often occur where tectonic plates come together. At plate boundaries, many other geologic features, such as mountains and rift valleys, can also occur.

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Vertical Mixing

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Ocean Ridges

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Why Indonesian Earthquakes and Volcanoes Happen

Why Indonesian Earthquakes and Volcanoes Happen. By Vanessa,Maddy and Grant. Earthquakes. Here is a pic after an Indonesian earthquake. Information About Earthquakes.

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12.1 Evidence for Continental Drift

12.1 Evidence for Continental Drift. Early maps of the world caused Wegener to propose the continental drift theory. The continents looked as though they might fit together like puzzle pieces. The continental shelves actually fit together even better.

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PANGAEA

PANGAEA. By: Zach Heming. History of Pangaea.

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