Slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation. Start studying continental drift and plate tectonics. Continental drift alfred wegener the origin of continents and. The theory of continental drift is defined as the movement of the earths continents relative to each other, thereby appearing to drift together across the oceanic bed. Animation of sea floor spreading worldwide earthquake patterns help us know where the edges of plates are located the earths plates wegener 18801930 continental drift was wegeners theory that all continents had once been joined together in a single landmass and have drifted apart since. They then use the reading to complete a graphic organizer about his thinking. Alfred wegener continental drift 4 dark brown evidence of one connected. How did alfred wegener support his theory of continental. During his lifetime he was primarily known for his achievements in meteorology and as a pioneer of polar research, but today he is most remembered for advancing the theory of continental drift kontinentalverschiebung in 1912, which hypothesized that. During wegener s time, the idea was met with hostility. Continental drift and plate tectonics flashcards quizlet. Scientists argued that there was no way to explain how solid continents could plow through solid oceanic crust. A computer animation of continental drift has been.
If you continue browsing the site, you agree to the use of cookies on this website. The theory of continental drift continental drift discovery the world alfred wegener theory of continental drift continental drift p95 red book, 182 in sciencesaurus theory that continents were once part of a single landmass that broke apart and have moved to their present locations. Today the theory of plate tectonics is a fundamental principle in geology. Continental drift and plate tectonics science with mrs. Pangaea online puzzle is a free online knowledge level game, about the ancient continent of pangaea. Wegener published two articles in which he hypothesized the theory of continental drift. In 1912, alfred wegener proposed a theory that the continents had once been joined, and over time had drifted apart. The continents are moving, along with the sea floor, at about 2 inchesyear. This animation shows the movement of the continents over the past 250 million years. Evidence later accumulated from other areas of research, but the theory was not taken seriously until well after wegeners death. Alfred wegener proposed the idea of continental drift to explain why continents shapes fit together like pieces of a puzzle and why distant continents have the same fossils.
Alfred wegener and continental drift it was not until 1912 that the idea of moving continents was seriously considered as a fullblown scientific theory called continental drift introduced in two articles published by a 32yearold german meteorologist named alfred lothar wegener alfred lothar wegener 18801930 earned a. Continental drift theory, basically means the way that resulted the present location of the continents and oceans. Ppt alfred wegener powerpoint presentation free to. Continental drift theory by alfred wegener brainery.
The amoeba people continental drift lyrics genius lyrics. Pdf alfred wegenerfrom continental drift to plate tectonics. These animations were originally produced for the us geological survey. Download this movie and find classroom resources at the. Thirty years, later, harry hess provided the proof needed to complete wegener s theory and. A brief overview of the theory of continental drift and the evidence supporting it. Continental drift is the theory that the earths continents have moved over geologic time relative to each other, thus appearing to have drifted across the ocean bed. Continental drift theory evidences and limitations. A brief introduction to alfred wegeners theory of continental. Immediately after his wedding with else in 19, wegener had to go to serve in the first world war as a soldier. Ppt continental drift theory powerpoint presentation.
The geography knowledge board include 9 modern regions to play with. The continental drift hypothesis was developed in the early part of the 20 th century, mostly by alfred wegener. Ppt alfred wegener powerpoint presentation free to download id. Continents fit like a puzzle, climate zones, fossils, rocks and glacial deposits. Alfred wegeners continental drift theory faced fierce resistance initially, partially because of his outsider status, and partially due to his ideas of how the continents fit together. Research student, gandhigram rural institute, tamil nadu, india. Continental drift theory continental drift 1910s theory by alfred wegener before plate tectonics supercontinent pangaea ancient glaciations ancient glaciations. Focus on himalayas the continents are moving, the sea floor as well, at about 2 inchesyear. Search, discover and share your favorite continental drift gifs. The speculation that continents might have drifted was first put forward by abraham ortelius in 1596.
Although alfred wegener was able to produce a viable hypothesis with evidence and specifically state the theory, it should be. They dont travel very far over a human life span, but the distance adds up over millions of years. Alfred wegenerfrom continental drift to plate tectonics. Pangea, wegener, and continental drift hhmi biointeractive video. Plate tectonics have shuffled the earths landmasses aroundand continue to do so. It combines the continental drift theory proposed in 1912 by alfred wegener in germany. Alfred wegener continental drift theory explained hrf. This video shows wegeners evidence and explains the difficulty he had getting his ideas across to geologistsscientists who study the history and structure of earth. Provide some evidences to support it and its limitation wegener took inspiration from a map of continents to explain the earths geologic history. Wegeners theory of continental drift wegener started toying with the concept of continental drift in 1910 when, looking at a new atlas, he was impressed afresh with the remarkable similarity in the coastlines across the south atlantic ocean. Alfred wegener proposed the idea of continental drift to explain why continents shapes fit together like pieces of a puzzle and why distant.
Suggested continental drift occurred as the new crust grew between the continents essentially seafloor spreading and was destroyed by sinking back into the earth in marine. He had initially become fascinated by the nearperfect fit between the coastlines of africa and south america, and by the commonality among their geological features, fossils, and evidence of a glaciation having affected these two separate continents. The dramatic fieldrecordings are presented here in playlists and shared under creative commons license with the invitation to global listeners to. This episode, pangaea, wegener, and continental drift tells the story of how wegener, a meteorologist, became interested in the movement of continents. Alfred wegener from continental drift to plate tectonics. Take a look at this animation showing how the continents split up. The adobe flash plugin is needed to view this content. This video explores how the apparent fit of the continents, fossil and rock. Drag and drop the part of pangaea in their correct places. A small educational game for desktop computers, laptops and tablets, which may be played in the web browser. The reaction to alfred wegeners theory tells us much about the workings of science. Now show what you have learned so far about continental drift by answering these four questions. Continental drift theory evidences and limitations question throw some light on theory of continental drift.
Continental drift was a revolutionary scientific theory developed in the years 19081912 by alfred wegener 18801930, a german meteorologist, climatologist, and geophysicist, that put forth the hypothesis that the continents had all originally been a part of one enormous landmass or supercontinent about 240 million years ago before breaking apart and drifting to their current locations. This is a simple lesson, with a powerful understanding of alfred wegeners idea of continental drift. Alfred lothar wegener november 1, 1880 november 1930 was a german polar researcher, geophysicist and meteorologist. When alfred wegener first made his case for continental drift, he relied on two main lines of argument. When plate tectonics was discovered, wegeners continental drift theory became. The expanding theory was developed in the four editions of his book, the origins of continents and oceans, accumulating increasingly impressive evidence as it went. Today, the theory of continental drift has been replaced by the science of plate tectonics. The reaction to alfred wegener s theory tells us much about the workings of science.
Continental drift in the early 1900s, german meteorologist alfred wegener theorized that the continents were once connected in a supercontinent and they have been drifting across the earths surface ever since. Continental drift theory no need to take notes i have taken them for you 2. Alfred wegener proposed that the continents had once been massed together in a single supercontinent and then gradually drifted apart. He thought that the similarity might arise because south america and africa were parts of the same. While recovering from the war injury in a military hospital he could devote ample time to further refine his work on continental drift. But after his death, a large body of evidence showed that continents do indeed move. Freelooks like a great intro activity for continental drift theory this is a simple lesson, with a powerful understanding of alfred wegeners idea of continental drift. Continental drift and plate tectonics slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Continental drift and plate tectonics university of iceland. While wegener was alive, scientists did not believe that the. Ever since the continents were all mapped, people had noticed that many coastlines, like those of south america and africa, looked as though they.
Wegener said that continents move around on earths surface and that they were once joined together as a single supercontinent. Alfred wegener was born in 1880 and died in 1930, but his continental drift theory, first put forward in 1912, didnt achieve wide acceptance until the 1950s. The continental drift controversy has been deeply analysed in terms of rationalist notions, which seem to. Creator of the continental drift theory makers of modern. Alfred wegener, a scientist from germanys theory was the continental drift. Alfred wegeners continental drift theory graphic organizer. Continental drift an overview sciencedirect topics. Pangea this animated documentary tells the story of polar explorer alfred wegener, the unlikely scientist behind continental drift theory. As weve studied this idea over the decades, however, it has come to be the accepted theory of. Senior research student, indian institute of astrophysics, 560 0, bangalore, india. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
A continental drift flipbook, journal of geology, v. The concept was independently and more fully developed by alfred wegener in 1912, but his theory was rejected by many for. Why do you think they did not accept continental drift. When plate tectonics was discovered, wegeners continental. Continental drift describes one of the earliest ways geologist s thought continent s moved over time. Continental drift and the more recent science of plate tectonics are now the bedrock of modern geology. Wegener vindicated wegeners work was more accepted in europe than in america, mostly due to arthur holmes. Alfred wegener proposed the theory of continental drift the idea that the earths continents move over hundreds of millions of years of geologic time long before the idea was commonly accepted. The theory of continental drift is most associated with the scientist alfred wegener.
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