The structure of the earth, plate tectonics and landforms. There are three principal types of plate boundary divergent, convergent, and transform. Attempt has been made to cover various points on different plate tectonics theories. The data page was compiled as part of the plates project which is a research project focused on plate tectonics and geologic reconstructions. The layer below the lithosphere is the asthenosphere. Plate tectonics the tectonic plates of the world were mapped in the second half of the 20th century. How has all of this affected the history of the earth. Seismic and tomographic information documents two major ways slabs can break. This unit in the form of pdf file includes engaging, colorful, informative, visually stimulating and eyecatching photos and diagrams as.
You will recall from a previous chapter that there are three. Tectonic plates plate boundary referenced from bird, peter 2003 an updated digital model of plate boundaries. Ocean basinsoceanic crust are continually being created and destroyed through tectonic processes. This plate motion causes them to collide, pull apart, or scrape against each other. In 1977, after decades of tediously collecting and mapping ocean sonar data, scientists began to see a fairly accurate picture of the seafloor emerge. Provenance anne egger, central washington university. Tectonic plates are composed of oceanic lithosphere and.
Nonplate tectonic styles were probably dominated by single lid tectonics and this evolved as earth cooled and its lithosphere thickened. Im liz cottrell, director of the global volcanism program at the national museum of natural history. To appreciate the extent that plate tectonics impacts the world to begin thinking about the issues of tectonic hazards watch the youtube below for an introduction into what we will be studying in this unit. The theory of plate tectonics grew out of earlier hypotheses and observations collected during exploration of the rocks of the ocean floor. Plate tectonics worksheets reading comprehension passages, questions, and annotations this resource is designed for a plate tectonics unit. Why should you take it if you can get the faster one. New oceanic crust is formed through magma rising through the gap and cooling. The pdf portable document format versions of the lecture notes are optimized for printing. The lithosphere lithosphere is comprised of the upper mantle and the crust, the outer shell of the earth. Plate tectonics and global impacts 11 min, 31 mb video.
Convergence data are shown by arrows describing direction and speed, relative to the plate across the boundary. Notes on plate tectonics plate tectonics states that the earths crust and upper mantle are broken into sections, called plates. Get chapter 9 plate tectonics wordwise answers pdf file for free from our online library. Plate tectonics word wise answers pdf why should wait for some days to get or receive the plate tectonics word wise answers book that you order. Physical geology is a comprehensive introductory text on the physical aspects of geology, including rocks and minerals, plate tectonics, earthquakes, volcanoes, glaciation, groundwater, streams, coasts, mass wasting, climate change, planetary geology and much more. When these plates move around over time, they bring the continents together to form supercontinents.
The disaster is a volcano convergent boundry, an earthquake t. 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. The earths crust is divided into plates which are moved in various directions. The tharpheezen map illustrated the geological features that characterize the seafloor and became a crucial factor in the acceptance of the theories of plate tectonics and continental drift. Plate tectonics reveals that the lithosphere is divided into eight major pieces plates with several smaller plates fig.
Plate tectonics is the surface manifestation of mantle convection, but the large contrast in viscosities between the lithosphere and the deeper mantle leads to departures from a simple boiling pot. If your web browser has the proper plugin installed, clicking on the pdf will bring the file into your web browser from which you can then print the notes. We now know that, directly or indirectly, plate tectonics influences nearly all geologic processes, past and present. For the rest of us, plate tectonics is a simple theory that helps make sense of the earths face. In the early 1960s, the emergence of the theoryof plate tectonicsstarted a revolution in the earth sciences. 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. Youtube channel welcome video with closed captioning. 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. The theory of plate tectonics states that the earths solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. I made different maps, including more detail in all of the datasets, and used a different map projection, but otherwise the general progression of the activity is the same. Six of the majors are named for the continents embedded within them, such as the north american, african, and antarctic plates.
Plates are composed of the crust and a part of the upper mantle, these two parts together are called the lithosphere. 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. It is made up of thick, interconnecting pieces called tectonic plates that fit together like a puzzle. Powered by create your own unique website with customizable templates. Plate tectonics pdf ebook plate tectonics read online and download ebook plate tectonics. He reasoned that if the continents had once been joined, fossils of the same plants and animals should be found in areas that had once been connected. The data page contains additional geological datasets relating to plate tectonics. Teaching about plate tectonics and faulting using foam models teaching about plate tectonics and faulting using foam models.
It contains 4 engaging, nonfiction reading comprehension passages with directions for student annotations. Videos are updated regularly to fix mistakes or make improvements. This laboratory is designed to help students understand the basic mechanics of how the plates move, recognize. Seafloor spreading helps explain continental drift in the theory of plate tectonics. 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. Plate tectonics information and facts national geographic. The movement of tectonic plates is most evident at the boundaries between the plates. Download charlotte luongo ebook file free of charge and this book pdf found at saturday 29th of december 2012 03.
From wikipedia, the free encyclopedia plate tectonics from greek, tekton builder or mason describes the large. Since the theory of plate tectonics was first introduced, how far has the tectonic plate were standing on moved. A plate tectonic puzzle introduction the earths crust is not a solid shell. Dynamic earth kmz file for use with plate tectonics exercises kmz file 1. Plate convergence vectors referenced from united states geological survey. You will recall from a previous chapter that there are three major layers crust, mantle, core within the earth that are. The data and observations represented by the tharpheezen map became crucial factors in the acceptance of the theories of plate tectonics and continental drift. Read and download ebook plate tectonics word wise answers pdf at public ebook library plate tectonics word wise answers pdf download. Powerpoint click to download the ms powerpoint file 146 mbytes pdf click to view or download the presentation in pdf 5 mbytes ht ml cl ick to view the presentation in html format. As plates move, the new crust gradually moves away from the ridge. They move atop the underlying mantle, a really thick layer of hot flowing rock. Video transcript plate tectonics volcanos with liz liz cottrell. Most of the plates are composed of continental and oceanic lithosphere.
Plate tectonics is the unifying theory of geology and revolutionized geology. They become familiar with these global data sets and understand how earths tectonic plates and plate boundaries are defined. The usgs hosts numerous files relating to earthquakes and plate tectonics on this data page. Explain the concept of plate tectonics, including types of plate boundaries, the characteristics of typical boundaries, and the variability seen in boundary types. Pdf plate tectonics, our major paradigm for how the earth works, was established in the 1960ies following decades of observational research that. This is a unit study on plate tectonics in geology or earth science subject. Plate tectonics is the unifying theory of the earth how did the theory develop.
The movements of plates over millions of years resulted in the opening and closure of oceans and the formation and disassembly of continents. Plate tectonics describes the distribution and motion of the plates. Plate tectonic theory arose out of the hypothesis of continental drift proposed by alfred wegener in. These slabs are called tectonic plates and fit together like pieces to a puzzle. Plate tectonics reading passages questions annotations by. Frank taylor first proposed this idea in 1910, alexander du toit later in 1937, harry hess explored the geomorphology of the seafloor by ship in 1960s. Read and download pdf ebook chapter 9 plate tectonics wordwise answers at online ebook library.
This plate motion causes them to collide, pull apart, or scrape. We now know that, directly or indirectly, plate tectonics influences nearly. In addition, the diving plate melts and is often spewed out in. Plate tectonics are a very complicated subject that shape the planet, they can be difficult to understand and study, so any virtual model or simulation can help. Plate boundaries have the highest concentrations of. Dec 28, 2016 the data page was compiled as part of the plates project which is a research project focused on plate tectonics and geologic reconstructions. 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. Plates move apart at divergent plate boundaries such as the oceanic. Plate tectonics reading passages questions annotations. From wikipedia, the free encyclopedia plate tectonics from greek, tekton. 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 earths plates jostle about in fits and starts that are punctuated with earthquakes and volcanic eruptions. Convergent boundaries a convergent boundary is where two tectonic plates push together.
A map to show location of the event and description a fact file key facts about the event provide place specific detail a plate boundary map ensure plates are identified and named a writeup of the effects on people short and long term. Each type of interaction causes a characteristic set of earth structures or tectonic features. The lithosphere lithosphere is comprised of the upper mantle and the. Tectonic plates california institute of technology. Creative commons attributionnoncommercialsharealike cc byncsa 3. This activity is a slight variation on an original activity, discovering plate boundaries, developed by dale sawyer at rice university. Im standing here in the geology, gems, and minerals hall in front of the earthquakes and eruptions exhibit. To appreciate the extent that plate tectonics impacts the world. We live on a layer of earth known as the lithosphere which is a collection of rigid slabs that are shifting and sliding into each other. The earth is the only planet known to currently have plate tectonics. Freeman plate tectonics answers free pdf file sharing. This windows to the universe interactive webpage connects students to the study and understanding of plate tectonics, the. Using the a3 hand out draw diagrams explaining all the different types of plate boundaries and also complete the explanation with the missing words.
Script pdf file productivity and plankton 21min, 42 mb. Please read very carfully and answer with complete sentences using a word document. Imagine you if the movies were real and the scientists in the movies have just warned you that there is an impending disaster. Made ada compliant by netcentric technologies using the commonlook software plate tectonics overview plate tectonics, one of the unifying theories of geology, is the idea that earths outer layer lithosphere is divided into large plates that move on top of the asthenosphere. Indeed, the notion that the entire earths surface is continually shifting has profoundly changed the way we view our world. The plates are mobile, moving in constant, slow motion measured in rates of centimeters per year. Seafloor spreading occurs at divergent plate boundaries which subsequently create midocean ridges. There are a few handfuls of major plates and dozens of smaller, or minor, plates. This windows to the universe interactive webpage connects students to the study and understanding of plate tectonics, the main force that shapes our planets surface. Plate tectonics the earths crust is divided into plates which are moved in various directions.
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