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What Is Continental Drift Plate Tectonics And Sea Floor Spreading

Earth’s Continental Plates. The Earth’s surface is divided into huge, thick plates that drift atop the soft mantle.

In 1915, the German geologist and meteorologist Alfred Wegener first proposed the theory of continental drift, which states that parts of the Earth’s crust slowly …

A MODEL OF SEA-FLOOR SPREADING TEACHER’S GUIDE ELLEN P. METZGER INTRODUCTION Purpose: Students will make a paper model illustrating the concept of sea-floor spreading …

fractures it produces earthquakes that get progressively deeper. Plate Tectonics By combining the sea floor spreading theory with continental drift and information on …

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Plate Tectonics: The Rocky History of an Idea . Close examination of a globe often results in the observation that most of the continents seem to fit together like a …

Twenty years ago geologists were certain that the data correlated perfectly with the then-reigning model of stationary continents. The handful of geologists who …

Continental drift is the movement of the Earth’s continents relative to each other, thus appearing to "drift" across the ocean bed. The speculation that continents …

Plate tectonics is a scientific theory describing how continents move around on the mantle and how sea floor is produced and destroyed. Plate tectonics is able to …

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