Alfred Wegener - the man who came up with the continental drift hypothesis., hypothesis - tentative explanation to a scientific question that can be tested., meteorologist - scientist who studies the weather and makes weather forecasts., continental margins - submerged, outer edge of the continent; it is the transition zone from land to deep sea where continental crust gives way to oceanic crust., fossil - preserved remains or traces of organisms that lived in the past; can be things like bones or footprints., wind - air that flows over Earth’s surface because of differences in heating of the atmosphere and land., supercontinent - very large continent created by several continents and microcontinents coming together because of plate tectonics., rocks - a solid mixture of minerals or mineral grains; a few types of rocks are made from materials that are not minerals., Climate - average weather in a region over a long period of time., planet - a celestial object orbiting a star that has cleared its orbit of smaller objects., mechanism - process by which something takes place., Seafloor Spreading - the mechanism for moving continents; the formation of new seafloor at spreading ridges pushes lithospheric plates on the Earth's surface., Continental Drift - early 20th century hypothesis, made by Alfred Wegener, that the continents move about on Earth's surface., Magnetic Polarity - the direction of the Earth's magnetic field; a compass today will point north, which is normal polarity; south is reversed.,

Theory of Continental Drift

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