Unformatted text preview: navy he used his ship to scan the ocean floor. The scanning resulted in the discovery of sea floor spreading. This was the missing key to Wegener’s theory. This proved how the mass pieces of land seemed to just float across the water. There is an example of how these two guys theories work. IT is called the Mantle Convection Effect. The example can be done by boiling a pot of water. The pot will warm up and cause the hot water to rise. The rising water will push the cold water under. This works the same way for the earth. Rock deep inside the earth heats up so hot that the pressure pushes the hot rock up and out of the surface. The hot rock will push the cool rock deeper into the earth creating the same effect as the boiling pot of water....
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- Winter '08
- Plate Tectonics, Alfred Wegener, plate tectonic theory