Create a timeline of the events leading to the theory of plate tectonics. Plasienka geological institute, slovak academy of sciences, slovakia keywords. I prepared for todays lesson by projecting and tracing the following document plate tectonics template on a large bulletin board paper. Download charlotte luongo ebook file free of charge and this book pdf found at saturday 29th of december 2012 03. But learning about it during the last 40 years has given scientists many theoretical tools to understand other planets, even those that circle other stars. The earths face is changing all the time, but at barely perceivable rates. Earths crust and upper mantle are divided into plates. The movement of the plates creates three types of tectonic boundaries. The new paradigm earths major plates plates move relative to each other at a very slow but continuous rate. The theory of plate tectonics explains the enormous. The initial dose of romiplostim is 1 mcgkg based on actual body weight. To explain the theory of plate tectonics and present the information in a creative format.
Describe some of the events and pieces of evidence that led to the theory of plate tectonics. The version of the browser you are using is no longer supported. The theory encompasses the older concepts of continental drift, developed. Plate tectonics plate tectonics is the unifying theory of geology and revolutionized geology cornerstone of earthsystem approach. Plate tectonics, theory dealing with the dynamics of earths outer shell that revolutionized earth sciences by providing a uniform context for. Lectures prior to the lab should have covered the basics of plate tectonics, including the different types of plate boundaries. Plate tectonics is an earth sciences topic that attracts a good deal of interest, given that it a topic very often featured in popular science programmes. The theory of plate tectonics explains the enormous amount of volcanic and seismic activity. As it spreads, it dives under another plate and is subducted back into the upper mantle. The land mass broke apart, and the continents drifted to their.
It is made up of thick, interconnecting pieces called tectonic plates that fit together like a puzzle. Takehome messages earths geology is dominated by the processes of plate tectonics. Since the development of the theory, geologists have had to reexamine almost every aspect of. The oceanic crust near the midocean ridge is older younger than the oceanic crust farther. The plasticlike layer below the lithosphere is called the asthenosphere. Plate tectonics notes hanover area school district. Plate tectonics the earths crust is divided into 12 major plates which are moved in various directions. The presentday number of tectonic plates springerlink. The continental drift hypothesiscontinents have moved slowly to notetaking worksheet.
Theory of plate tectonics earths plates are in constant, slow motion between 2. In this lab, students will test plate tectonics against two other hypotheses. Computer applicatio ns geol 5303 side bar navigation bar controls view screen. Convergence data are shown by arrows describing direction and speed, relative to the plate across the boundary. Plate tectonics is an earth sciences topic that attracts a good deal of interest, given that it a topic very often featured in popular science programmes on tv and radio. Plate tectonics is the fundamental representation of motion and deformation of earths surface over at least the last several geological time periods wessel and muller, 2015 and we rely on. Tectonic plates plate boundary referenced from bird, peter 2003 an updated digital model of plate boundaries.
Create a piece of art model, sculpture, painting, drawing on plate tectonics and include. From wikipedia, the free encyclopedia plate tectonics from greek, tekton builder or mason describes the large scale motions of earths lithosphere. The theory has caused a revolution in the way we think about the earth. The lithosphere is divided into a number of large and small plates and the plates are floating on the mantle plate tectonics theoryplate tectonics theory 6. Lithosphere is divided into plates that slide around on top of the slowly moving mesosphere tectonic plates it occurred after the breakup of pangaea, and since then the continents. Geologic and tectonic development of the caribbean plate. Pdf on jan 1, 2006, paul mann and others published overview of plate. This new crust begins to spread to either side of the ridge. Feb 21, 2008 the lithosphere is divided into a number of large and small plates and the plates are floating on the mantle plate tectonics theoryplate tectonics theory 6. The layer below the lithosphere is the asthenosphere.
Crust is continuously being regenerated and removed. Plate tectonics is the surface manifestation of mantle convection, but the large contrast in viscosities between the lithosphere and the deeper mantle. Plate tectonics is the theory that has been studied for over thirty years that states that the outside layer of earth are actually large plates, approximately forty kilometers thick, that slide across the magma beneath the exterior of the planet. Plate convergence vectors referenced from united states geological survey. Subduction processes during plate convergence result in the formation of volcanoes. Lithosphere the earths crustcrust plus the upper portion of the mantlemantle layer 7.
It is now known that the earth is a highly dynamic planet far more so than the other terrestrial planets mercury, venus and mars and the moon and one that has altered its outward surface many times over geological time. In 1969, spreading plate margins became part of the theory of plate tectonics. Plate tectonics emphasizes that new ocean crust is produced at the midocean ridges. Plate tectonics reveals that the lithosphere is divided into eight major pieces plates with several smaller plates fig.
They move atop the underly ing mantle, a really thick layer of hot flowing rock. However, this is a cover page and i want you to be creative and imaginative. Surface observations and seismic waves showed that the earths interior was solid. To explain the theory of plate tectonics and present the information in a creative. Plate tectonics overview hartebeesthoek radio astronomy. The word, tectonic, refers to the deformation of the crust as a consequence of plate interaction. Plate tectonics pdf ebook plate tectonics read online and download ebook plate tectonics. Contractional theory, continental drift and plate tectonics. Plate movement is driven by convection in earths mantle. At some geologic time in the future, the recycled crust appears again at a midocean ridge. How the activity is situated in the course this is a standalone exercise typically given near the beginning of the course in either discussion or lab section. As you read each paragraph, take notes about the key ideas in the.
Each type of interaction causes a characteristic set of earth structures or tectonic features. The surface layer of each plate is composed of oceanic crust, continental crust or a combination of both. Instructions for preparing and giving an injection of nplate. Plate tectonics information and facts national geographic. The earth is composed of layers of different composition and physical properties, principally the solid central core, the fluid peripheral core, the viscous mantle, and the solid. The global mosaic of plates periodically reorganizes itself and new plate boundaries form while others close up. The lithosphere lithosphere is comprised of the upper mantle and the crust, the outer shell of the earth. Explains how plates move and form since youve been alive, plates have moved more than 180 centimeters.
Tectonic plates california institute of technology. For the rest of us, plate tectonics is a simple theory that helps make sense of the earths face. Institute for geophysics university of texas at austin. The movements of plates over millions of years resulted in the opening and closure of oceans and the formation and disassembly of continents. Finally, there was an explanation for how the continents could move. The area where two plates meet is called plate boundaries. Create a piece of art model, sculpture, painting, drawing on plate tectonics and include a 5 paragraph explanation of your art. Wipe the site where nplate is to be injected with an alcohol swab, using a circular motion. The method ensures internal consistency of results and allows full use to be made of data on relative movement of plates. Introduction to plate tectonics discovery education. Name class period plate tectonics project 110eptsj objective.
Classroom interactions 2007 the university of texas at austin 5e lesson template lesson authors l ochsie lesson title lets explore plate tectonics. I also organized a few teacher notes on plate tectonics to help guide class discussions today. Windows 10 3264 bit windows 8 3264 bit windows 7 3264 bit windows vista 3264 bit windows xp 3264 bit file size. The plates are mobile, moving in constant, slow motion measured in rates of centimeters per year.
About 5 centimeters 2 inches per year cooler, denser slabs of oceanic lithosphere descend into the mantle. Plate motion based on the global positioning system gps 8. A theory that combines continental drift and seafloor spreading. Continental crust oceanic crust oceanic crust alaska. For the rest of us, plate tectonics is a simple theory that. We conducted a phase ii randomized trial of romiplostim versus untreated observation in patients with solid tumors with cit. Plate tectonics, the study of such relative motions. Jun 27, 2017 plate tectonics according to the plate tectonic model, the surface of the earth consists of a series of relatively thin, but rigid, plates which are in constant motion. The structure of the earth, plate tectonics and landforms. How would solid material accomodate movement in this solid body. Primeval times happened yesterday hansjoachim zillmer.
Plate tectonics the tectonic plates of the world were mapped in the second half of the 20th century. The creation of new oceanic crust at midocean ridges is called seafloor spreading. If you continue browsing the site, you agree to the use of cookies on this website. They move at a rate of one to two inches three to five centimeters per year. Try to place some named examples as accurately as you can. Simulation of the movement of plates and formation of mountains. The data used to solve for the 12 plates consisted of 724 earthquake slip vectors, 121 transform fault azimuths, and 277 relative motion rates. Plate tectonics, the study of such relative motions and their consequences, allows relating surface, geological and geophysical structures with quantified movements attributed to deep processes of the earths heat engine. Continental drift, sea floor spreading and plate tectonics. All continents were once connected as one large landmass now called pangaea.
Notes on plate tectonics plate tectonics states that the earths crust and upper mantle are broken into sections, called plates. Plate tectonics underlined words and phrases are to be filled in by students on the a. Plates are composed of the crust and a part of the upper mantle, these two parts together are called the lithosphere. Crust mantle core crust lithosphere plate movement the crust is broken into plates that move. Plate tectonics is a combination of two ideas, seafloor spreading and continental drift. The sections, called plates, move on a plasticlike layer of the mantle. Plate tectonics according to the plate tectonic model, the surface of the earth consists of a series of relatively thin, but rigid, plates which are in constant motion. Earths plates are made up of parts of the seafloor and continents, so as the seafloor spreads it also makes the continents move. This plate motion causes them to collide, pull apart, or scrape against each other. Using the tectonic outline map, create a cover page with drawing of volcanoes and hazards. Assessment use the following threepoint rubric to evaluate students work during this lesson. Continental drift, sea floor spreading and plate tectonics plate tectonics is a theory developed in the late 1960s, to explain how the outer layers of the earth move and deform. Plate tectonics, our major paradigm for how the earth works, was established in the 1960ies following decades of observational research that culminated in key discoveries such as geomagnetic.
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