Vocabulary word to know resource exploitation resource use sustainability land use native species introduced species. His hypothesis states that continents move around on earths surface and that they were once joined together as a single supercontinent figure 6. Nov 24, 2016 continental drift or movement of tectonic plate first introduce by wegener, 1920. 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. Continental drift refers to the movement of the continents relative to each other. Wegener, a german geophysicist, and meteorologist theorized that all of the earths continents had once existed as a single land mass, which he called pangaea. Learn continental drift chapter 9 with free interactive flashcards. Seafloor spreading theory sfst seafloor spreading describes the movement of.
Continental drift theory states that the continents have not always been in their present locations but. You will be piecing together a puzzle of the supercontinent pangea based on fossil and rock evidence on the present day continents. Continental drift theory states that the continents have not always been in their present locations but have drifted there over millions of years. A plate tectonic puzzle american museum of natural history. Anyone can learn for free on openlearn but creating an account lets you set up a personal learning profile which tracks your course progress and gives you access to statements of participation and digital badges you earn along the way. Theory of continental was purposed by alferedwegner in 1912 3. In 1596, abraham ortelius believed that the continents were drifted. Perfect for whole group lessons, interactive science notebooks, or student note taking guides. Jan 14, 20 wegners evidence for continental drift through convection currents. Aug 08, 2017 lesson 3 evidence for continental drift 1. Alfred wegeners continental drift theory and the evidence supporting the theory. Download fulltext pdf a continental drift flipbook article pdf available in the journal of geology 1126.
There are more than 1 million books that have been enjoyed by people from all over the world. The continental drift controversy ebook download free pdf. From this he began plotting worldwide distributions of both rock and fossil data that indicated tropic, desert and polar climates. Continental drift and plate tectonics university of iceland. The movement of tectonic plates broke these continents apart as the layout of the earth shifted over thousands of years. What are four pieces of evidence for continental drift. The theory of continental drift is most associated with the scientist alfred wegener. Pdf what is the nature of the force or mechanism that moves massive continents. A theory proposed by alfred wegner that said all continents were once joined 300 million years ago in a single land mass called pangaea. In the 1950s palaeomagnetism provided evidence supporting continental drift. Get ebooks the continental drift controversy on pdf, epub, tuebl, mobi and audiobook for free. Continental drift term paper free college essays, term.
Scientists can observe these movements using satellite images that show, for example, that the north. 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. Continental drift wikipedia, the free encyclopedia. As molten rock rises from the earth, it forms new crust between the plates. Illuminates wegeners continental drift hypothesis and his supporting evidence including the distribution of fossils, rocks, structures, and the climate zones. On the puzzle pieces handout, assign a color to each type of fossil or mountain belt in the legend and color the areas on the landmasses. Today, the theory of continental drift has been replaced by the science of plate tectonics. Search, discover and share your favorite continental drift gifs. Another indication of continental drift is tectonic activity and seafloor spreading. The evidence is categorized into, fossil, climate, jig saw and geological. According to the hypothesis of continental drift, continents have moved slowly to their current locations.
Evidence for continental drift university of california. In this lesson, students learn about the evidence for continental drift and about the process of science. 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. Lesson 3 evidence for continental drift slideshare. This video explores how the apparent fit of the continents, fossil and rock. Plus, he used evidence from many different branches of science. In the early part of the 20th century, scientists began to put together evidence that the continents could move around on earths surface. Chapter 1 palaeomagnetic evidence for continental drift and its geophysical cause. Evidence for continental drift wegener gathered evidence for his hypothesis from fossils, from studies of ancient climate, and from the geology of continents. Scientists agree that continents rest on rocks called tectonic plates, which shift and move. Continental drift describes one of the earliest ways geologist s thought continent s moved over time. 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 continental drift controversy has been deeply analysed in terms of rationalist notions, which seem to find there a unique topic to describe the weight of evidence. A brief overview of the theory of continental drift and the evidence supporting it. In the early 1960s, the emergence of the theoryof plate tectonicsstarted a revolution in the earth sciences. In 1912, alfred wegener gave the full and independent concept about the continental drift. Explaining the mystery of drifting continents what scientists have done to explain the mystery. This lesson, called evidence for the mechanism of continental drift, covers the following topics. In the 1960s the process of seafloor spreading was discovered which provided a mechanism for continental drift. There are multiple lines of evidence for changes in the position of the continents over geologic time. 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.
My friends and i are here to present my theory of continental drift, which i. Explain that convection currents within the earths mantle driven by heat released by natural radioactive processes because the plates to move at relative speeds of a few centimeters per year. Describe the crust as broken into pieces called tectonic plates. What evidence is there of the continental drift theory. Pdf alfred wegenerfrom continental drift to plate tectonics. Mesosaurus small fresh water reptile glossopteris plant remains. A powerpoint outlining the evidence for continental drift. Still, wegener did have some evidence working in his favor during his.
Choose from 327 different sets of continental drift chapter 9 flashcards on quizlet. Over time the continents moved to their present day locations. Evidence of continental drift by jack rumbelow on prezi. Class members research the theory of continental drift, examine evidence of plate tectonics, connect this information to engineering. Pdf the continental drift controversy has been deeply analysed in terms of rationalist notions, which seem to. Always update books hourly, if not looking, search in the book search column. Pdf styles of thought on the continental drift debate. Review of paleoclimate and continental drift sciencedirect. Start a free trial of quizlet plus by thanksgiving lock in 50% off all year try it free.
On the other hand, evolution detractors usually assess continental drift to be as poorly. Learn vocabulary, terms, and more with flashcards, games, and other study tools. In the early 20th century, wegener published a paper explaining. 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. This was developed in the early part of the 20 th century, mostly by a single scientist, alfred wegener.
Fossils certain fossils preserved in rocks of the same age but from different continents. If you do not have the free acrobat reader, download it. Cut out each of the continents along the edge of the continental shelf the outermost dark line. Continental drift alfred wegener teaching resources. Student groups use sepuplabaids specially designed and annoted puzzle pieces representing the earths continents to investigate the idea of continental drift. He believed that earth contains a plate which move one place to another. Open buy once, receive and download all available ebook formats, including pdf, epub, and mobi for kindle. What is used as evidence for continental drift see answers 2. Fossils wegener learned that the fossils of an ancient reptile, mesosaurus mehzuhsawruhs, had been discovered in south america and western africa.
This concept was an important precursor to the development of the theory of plate tectonics, which incorporates it. Facts about continental drift tell the people about the movements of continents of earth relative to each other. The speculation that continents might have drifted was first put forward by abraham ortelius in 1596. Explanation of the continental drift theory in the light of vertebrate distribution. The continental drift theory was further developed after these findings and became the foundations of plate tectonics theory. May 14, 2017 learning objectives learn who alfred wegener was and state the theory of continental drift. Continental drift theory peninsular india paleontological evidence. Sea floor spreading further supports the continental drift theory. High school earth sciencecontinental drift wikibooks, open. 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. Continental drift read earth science ck12 foundation.
Apr 03, 2020 an important piece of plate tectonic theory is the continental drift idea. In this article we will discuss about continental drift. We now know that, directly or indirectly, plate tectonics influences nearly all geologic processes, past and present. Magnetic striping continental drift continental drift is the scientific theory that all our current continents had once been joined together. Mar 12, 2020 continental drift, largescale horizontal movement of continents relative to one another and to the ocean basins during one or more episodes of geologic time. They are carried by immense forces generated by convection currents in the liquid rock in the mantle of the planet. Enrol and complete the course for a free statement of participation or digital. Paleoclimatic data to be useful in the evaluation of continental drift models must generally be quantitative and globally distributed. Although there had been previous speculation, it wasnt until 1912 that alfred wegener proposed the first complete continental drift theory. Enrol and complete the course for a free statement of participation or digital badge if. Alfred wegeners fossil evidence for continental drift is shown on the cutouts. Complete with exam question for students to answer. The evidence for continental drift included the fit of the continents.