Check out my digital continental drift cer designe. The evidence for continental drift included the fit of the continents. Wegener identified several lines of evidence to support the idea that the continents had drifted. Wegener explicitly presented his theory as a means to reconcile historical geology with isostasy.
The continental drift theory station lab is a plug and play unit that is meant to accompany my free mad science station lab series. Starting with pangaea, draw how the continents would look, then as continental drift was in progress, then color in the present day world map. Preface chapter 1 palaeomagnetic evidence for continental drift and its geophysical cause. Forces behind the drifting of continents, according to wegener. Continental drift 1 no transcript 2 continental drift.
One indication of this possibility is the appearance of the western african and eastern south american coasts, which look like two interlocking jigsaw. Pdf alfred wegenerfrom continental drift to plate tectonics. High school earth sciencecontinental drift wikibooks, open. Ncert notes on important topics for the upsc civil services exam. Continental drift is the motion of the earths continents over geological time. Plate tectonics and continental drift top results of your surfing plate tectonics and continental drift start download portable document format pdf and ebooks electronic books free online rating news 20162017 is books that can provide inspiration, insight, knowledge to the reader. Who proposed the theory and what evidence did he provide to prove his theory. Until the idea of continental drift was put forth by hess, wegener was largely disregarded as a fool. Explanation of the continental drift theory in the light of vertebrate distribution. Enrol and complete the course for a free statement of participation or digital badge if available. Students create an interactive notebook foldable of notes and use this to create a cer scientific argument with claim, evidence, and reasoning. Upsc geography continental drift theory neostencil. Continental drift wikipedia, the free encyclopedia.
Dec 16, 2019 continental drift refers to the movement of the continents relative to each other. Continental drift germantown municipal school district. Next, fill out the evidence foldable with four pieces of evidence mentioned in the reading passage. 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. According to the theory of plate tectonics, the earths lithosphere is broken into distinct plates which are.
In a book called the origin of continents and oceans, wegener presented his evidence. Ebook plate tectonics and continental drift as pdf download. The speculation that continents might have drifted was first put forward by abraham ortelius in 1596. In 1967, mckenzie and parker suggested the theory of plate tectonics. Although the evidence for continental drift was extremely strong, scientists rejected the idea because no mechanism for how solid continents could move around on the. Under each flap of the evidence foldable, explain how that evidence supports continental drift. Continental drift article about continental drift by the. Apr 28, 2018 map of continental drift fossil evidence. Continental drift theory proposed by alfred wegener tries to explain the distribution of oceans and continents. From this he began plotting worldwide distributions of both rock and fossil data that indicated tropic, desert and polar climates. For example, the continents of south america and africa fit perfectly when brought together. Nov 29, 2012 a brief introduction to alfred wegeners theory of continental drift, which would lay the groundwork for the development of plate tectonic theory, which essentially explains the geology of the. Continental drift theory free download as powerpoint presentation. Continental drift refers to the movement of the continents relative to each other.
Physical science concepts by mason, griffen, merrill and thorne. These notes will also be useful for other competitive exams like banking po, ssc, state civil services exams and so on. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The rejection of continental drift uc press journals. Wegener also provided evidence of continental drift by looking at the physical shape of continental coastlines. Pdf what is the nature of the force or mechanism that moves massive continents thousands of miles across. Continental drift, largescale horizontal movement of continents relative to one another and to the ocean basins during one or more episodes of geologic time. You will be piecing together a puzzle of the supercontinent pangea based on fossil and rock evidence on the present day continents. Continental drift is a theory originally proposed by alfred wegener, who believed the continents were once one large continent known as pangaea that later separated into several continents. Continental drift theory station lab students will love you for providing them with a handson experience when learning about the continental drift theory. Evidence of continental as a meteorologist alfred wegener was well aware of some climatological puzzles, such as the remains of temperate climate trees that can be found under polar ice. What evidence is there of the continental drift theory. A continental drift flipbook article pdf available in the journal of geology 1126. 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 definition of continental drift by the. Learn continental drift theory with free interactive flashcards. Evidence for the mechanism of continental drift video. Fossils wegener learned that the fossils of an ancient reptile, mesosaurus mehzuhsawruhs, had been discovered in south america and western africa. Pdf the continental drift controversy has been deeply analysed in terms of rationalist notions, which seem to find there a unique topic to. More indepth questions can be asked during the explanation. Alfred wegener was the developer of a new theory of the earths surface called continental drift, and he was an adept investigator, but he passed away in 1930 with his. Choose from 500 different sets of continental drift theory flashcards on quizlet. Continental drift, largescale horizontal movements of continents relative to one another and to the ocean basins during one or more episodes of geologic time.
Although the evidence was extremely strong, scientists could not think of a mechanism that could drive solid continents to move around on the solid earth and most. Continental drift plates in the crust of the earth, according to the plate tectonics theory from wikipedia, the free encyclopedia continental drift is the movement of the earths continents relative to each other. Tectonics, continental drift theory by alfred wegener, evidence and. On the other hand, evolution detractors usually assess continental drift to be as poorly. Continental drift theory peninsular india paleontological evidence. Alfred wegener, a german meteorologist and geophysicist, was the first to advance the idea of mobile continents in 1912.
This video explores how the apparent fit of the continents, fossil and rock. A brief introduction to alfred wegeners theory of continental drift, which would lay the groundwork for the development of plate tectonic theory, which essentially explains the geology of the. The continents looked as though they might fit together. In this activity students recreate the argument wegener used to support his theory of continental drift. As noted by sniderpellegrini and alfred wegener, the locations of certain fossil plants and animals on presentday, widely separated continents would form definite patterns shown by the bands of colors, if the continents are rejoined. Each inb activity is designed to help students compartmentalize information for a greater understanding of the concept.
Seafloor spreading theory sfst seafloor spreading describes the movement of. Continental drift and plate tectonics kaiserscience. The coasts of the continents surrounding the atlantic ocean could, if the continents were moved closer, fit together like a jigsaw puzzle. Ppt continental drift powerpoint presentation free to. 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. Mountain ranges and other landforms provided evidence for. He studied land features, fossils, and evidence of climate change. Continental drift theory with evidences plate tectonics. In many instances, similar fossil assemblages are preserved in rocks of the same age in different continents. Save 50% on all pmfias pdf and doc notes subscribe to pmfias ad free at rs.
A brief overview of the theory of continental drift and the evidence supporting it. In this article we will discuss about continental drift. 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. Evidence for continental drift wegener gathered evidence for his hypothesis from fossils, from studies of ancient climate, and from the geology of continents. The theory deals with the distribution of the oceans and the continents. Dec 17, 2019 plate tectonics it was from the continental drift theory, convection current theory and the theory of seafloor spreading, the theory of plate tectonics was formulated. Pdf styles of thought on the continental drift debate. This article talks about the continental drift theory upsc. This concept was an important precursor to the development of the theory of plate tectonics, which incorporates it.
The shape of continental coastlines visibly matched up like pieces of the puzzle. Continental drift theory with evidences free download as powerpoint presentation. A theory proposed by alfred wegner that said all continents were once joined 300 million years ago in a single land mass called pangaea. The evidence which gave rise to the theory of continental drift more correctly called plate tectonics includes the following. Continental drift timeline activity sheet continental drift. Continental trench, volcanic arc, subduction, lithosphere, asthenosphere. Although the theory has some lacunae but it is the foundation for modern theories such as plate tectonics and sea floor spreading. More evidence still, wegener did have some evidence working in his favor during his own time.1024 517 1011 1411 1106 579 513 581 522 1093 1605 1099 1330 584 1020 1122 1086 135 1447 869 806 169 248 1450 1564 19 1296 631 1304 375 110 773 389 1457 1350 840 752