Ppt theory of continental drift powerpoint presentation. Continents cover 29 percent of the surface of the earth and remainder is under oceanic waters. Pdf visualization of the continental drift in realtime researchgate. The slides include a short discussion of the evidence alfred wegener used to develop his theory of continental drift, namely. Continental drift theory 5 evidences and 4 major processes duration. It has been instrumental in developing our understanding of the evidence for continental drift. A middle school lesson on plate tectonics theory for grades 68. The development of the theory is an excellent example of the cumulative nature of science and the scientifc process. Continental drift interactive simulations edumedia. 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 pangaea broke apart and slowly moved toward their present day location 3. Continental drift and plate tectonics slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Search, discover and share your favorite continental drift gifs. Polar wandering similar to continental drift theory polar wandering is the relative movement of the earths crust and upper mantle with respect to the rotational poles of the earth. During wegeners time, the idea was met with hostility. What evidence of climate change on continents supports the. Anyone whos ever experienced an earthquake or seen a volcano knows that the phrase solid ground doesnt always apply. The geography knowledge board include 9 modern regions to play with. What evidence of climate change on continents supports the theory of continental drift. To summarise, the theory of continental drift was published by. 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. Animation of continental drift tectonics observatory at caltech. According to the hypothesis of continental drift, continents have moved slowly to their current locations.
Which explanations provide support for continental drift. Theory of continental was purposed by alferedwegner in 1912. Henry tin belts on continents around atlantic ocean r. 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. The speculation that continents might have drifted was first put forward by abraham ortelius in 1596. According to wegeners continental drift theory, all the continents were one single continental mass called a super continent pangaea and a mega ocean surrounded this supercontinent. The theory of continental drift put a bomb under geological orthodoxy. Continental drift 101 nat geo video national geographic. A free powerpoint ppt presentation displayed as a flash slide show on id. Alfred wegener, a scientist from germanys theory was the continental drift.
Particularly, the mapping of the ocean floor and palaeomagnetic studies of rocks from oceanic regions revealed the following facts. This evidence led to the theory of plate tectonics, which is a fundamental principle in modern geology. Ppt continental drift powerpoint presentation free to. Wegeners supercontinent was named pangea and is thought to have existed about 250 million years ago. Today, the theory of continental drift has been replaced by the science of plate tectonics. How teachers and students can make the quick transition to online learning.
Drag and drop the part of pangaea in their correct places. Slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. He published his observations in a geological comparison of south america with south africa1927, and later he developed his ideas in our wandering continents1937. This theory also explains how similar rocks are formed on the different continents and also the reason why some of the animal and plant fossils looks similar. This does not have anything to do with climate change.
Ppt theory of continental drift powerpoint presentation free to download id. Ppt continental drift and plate tectonics powerpoint presentation free to download id. A free powerpoint ppt presentation displayed as a flash slide show on. It includes colorful pictures, powerpoint animations and a link to an online animation of global plate reconstructions.
Ppt continental drift and plate tectonics powerpoint. This evidence led to the theory of plate tectonics. Alfred wegner was a german meteorologist who put forth the continental drift theory in 1912 it is considered that there was a single landmass called pangaea which means all earth. In the early 20th century, wegener published a paper explaining his theory that the continental landmasses were drifting across the earth, sometimes plowing through oceans and into each other. The theory deals with the distribution of the oceans and the continents. Alfred wegener proposed the idea of continental drift to explain why continents shapes fit. The adobe flash plugin is needed to view this content. This animation shows the plate tectonic evolution of the earth from the time of pangea, 240 million years ago, to the formation of pangea proxima, 250 million years in the future. Introduction to continental drift and plate tectonics by. This is the right answer because it relates to both climate change and continental drift. Pdf a computer animation of continental drift researchgate. This animation of plate tectonics and paleogeography shows the movement of the continents, as well as the flooding of the continents by shallow seas and the erosion and uplift of mountain ranges. Distribution of oceans and continents 33 available at the time wegener put forth his concept of continental drift.
The continents are moving, the sea floor as well, at about 2 inchesyear. Pangaea online puzzle is a free online knowledge level game, about the ancient continent of pangaea. 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. Cut out each of the continents along the edge of the continental shelf the outermost dark line. This animation shows a reconstruction of the movement of the continents for the last 180. Mineral deposits, continental drift, and plate tectonics. The resulting collision, which continues to this day, built the himalayas. Continental drift theory cdt continental drift refers to the movement of the continents relative to each other. The theory of continental drift is most associated with the scientist alfred wegener. There is considerable evidence for the theory of continental drift that draws upon fossil evidence, plate tectonics theory. The way the continents on the earth shifts its position is explained by the continental drift theory. Today the theory of plate tectonics is a fundamental principle in geology. Click on nextstep button to see the position of lithospheric plates today.
The full lesson is available for download from my tpt store. The continental drift theory inb template allows students to focus their notes on alfred wegener, continental drift theory, pangaea, and the 3 pieces of evidence. Download this movie and find classroom resources at the. Pdf a computer animation of continental drift has been produced which illustrates the movements of the continents during the last. This is a 10 slide powerpoint that introduces the concepts of continental drift and plate tectonics. Continental drift theory continental drift theory alfred wegener early 1900 s examined and compiled data of fossil. If you continue browsing the site, you agree to the use of cookies on this website. 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. It would take another 50 years for the concept to be accepted. The father of plate tectonics, alfred wegener proposed continental drift in 1912, but was ridiculed by fellow scientists. Ppt continental drift powerpoint presentation free to download id. Plate tectonics is the grand, unifying theory of earth sciences, combining the concepts of continental drift and seafloor spreading into one holistic theory that explains many of the major structural features of the earths surface. Old continental drift animation see description for. This unit introduces wegners hypothesis about continental drift, hess theory of.
A small educational game for desktop computers, laptops and tablets, which may be played in the web browser. Also noteworthy about three quarters down the page are the paragraph on the father of plate tectonics, alfred wegener, and the quizzes and printable activity sheets. Ppt continental drift theory powerpoint presentation. Alfred was trying to get his girlfriends father to like him. Thirty years, later, harry hess provided the proof needed to complete wegeners theory and. The animation illustrates the movements of the lithospheric plates from 250 million years in the past through to the present, as well as projections of continental movements 30 million years into the future. Continental drift explained why continents shapes fit together like pieces of a puzzle and. This animation of plate tectonics and paleogeography shows the movement of the continents, as well as the flooding of the continents by shallow seas and the erosion and uplift of mountain. There he argued for the separation of wegeners pangea into the two super continents, laurasia and gondwana. 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 expanding theory was developed in the four editions of his book, the origins of continents and oceans, accumulating increasingly impressive evidence as it went.
A brief introduction to alfred wegeners theory of continental. Continental drift and plate tectonics university of iceland. Giphy is how you search, share, discover, and create gifs. Alfred wegener was the one who fist proposed this theory in 1912.
A short animation about the continental drift and the pangaea. Theory of continental drift 1 theory of continental drift. Continental drift theory continental drift 1910s theory by alfred wegener before plate tectonics supercontinent pangaea ancient glaciations ancient glaciations. Hall possible method for the proof or disproof of the wegener theory f. You are allowed to download the video for nonprofit, educational use. Continental drift theory no need to take notes i have taken them for you 2. Powerpoint click to download the ms powerpoint file 70 mbytes. The continental drift animation, which can be run both forward and backwards, is a mustsee that shows how the continents have moved over the last 800 million years. And yet, the theory of plate tectonics represents a fairly young science. Plate tectonics discussion if you finish your discussion you may scroll down to the bottom of this page and watch the video natural disaster historys most destructive volcanoes national geographic documentary. All the continents were once joined together in a single landmass and have since drifted apart 3. Slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation. Alfred wegeners fossil evidence for continental drift is shown on the cutouts.
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