Plate tectonics reveals that the lithosphere is divided into eight major pieces plates with several smaller plates fig. Convergent boundaries a convergent boundary is where two tectonic plates push together. 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. 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. In 1977, after decades of tediously collecting and mapping ocean sonar data, scientists began to see a fairly accurate picture of the seafloor emerge. Plate convergence vectors referenced from united states geological survey. The data and observations represented by the tharpheezen map became crucial factors in the acceptance of the theories of plate tectonics and continental drift. To appreciate the extent that plate tectonics impacts the world. Download charlotte luongo ebook file free of charge and this book pdf found at saturday 29th of december 2012 03. 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. 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. 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.
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. 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. There are a few handfuls of major plates and dozens of smaller, or minor, plates. How has all of this affected the history of the earth. Pdf plate tectonics, our major paradigm for how the earth works, was established in the 1960ies following decades of observational research that. 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.
Powered by create your own unique website with customizable templates. Each type of interaction causes a characteristic set of earth structures or tectonic features. Imagine you if the movies were real and the scientists in the movies have just warned you that there is an impending disaster. Teaching about plate tectonics and faulting using foam models teaching about plate tectonics and faulting using foam models. 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. Tectonic plates california institute of technology. This unit in the form of pdf file includes engaging, colorful, informative, visually stimulating and eyecatching photos and diagrams as. 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. Get chapter 9 plate tectonics wordwise answers pdf file for free from our online library. 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. 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.
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. Seismic and tomographic information documents two major ways slabs can break. The plates are mobile, moving in constant, slow motion measured in rates of centimeters per year. 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.
For the rest of us, plate tectonics is a simple theory that helps make sense of the earths face. 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. Plate tectonics reading passages questions annotations. Tectonic plates are composed of oceanic lithosphere and.
There are three principal types of plate boundary divergent, convergent, and transform. We now know that, directly or indirectly, plate tectonics influences nearly. Freeman plate tectonics answers free pdf file sharing. Ocean basinsoceanic crust are continually being created and destroyed through tectonic processes. Script pdf file productivity and plankton 21min, 42 mb. These slabs are called tectonic plates and fit together like pieces to a puzzle. They move atop the underlying mantle, a really thick layer of hot flowing rock. From wikipedia, the free encyclopedia plate tectonics from greek, tekton.
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. Plate tectonics information and facts national geographic. Im standing here in the geology, gems, and minerals hall in front of the earthquakes and eruptions exhibit. Indeed, the notion that the entire earths surface is continually shifting has profoundly changed the way we view our world. This plate motion causes them to collide, pull apart, or scrape.
Tectonic plates plate boundary referenced from bird, peter 2003 an updated digital model of plate boundaries. Using the a3 hand out draw diagrams explaining all the different types of plate boundaries and also complete the explanation with the missing words. Seafloor spreading occurs at divergent plate boundaries which subsequently create midocean ridges. New oceanic crust is formed through magma rising through the gap and cooling. Plate tectonics is the unifying theory of geology and revolutionized geology. 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.
In the early 1960s, the emergence of the theoryof plate tectonicsstarted a revolution in the earth sciences. Creative commons attributionnoncommercialsharealike cc byncsa 3. The lithosphere lithosphere is comprised of the upper mantle and the. 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. From wikipedia, the free encyclopedia plate tectonics from greek, tekton builder or mason describes the large. Plate tectonics reading passages questions annotations by. This activity is a slight variation on an original activity, discovering plate boundaries, developed by dale sawyer at rice university. 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. The earths crust is divided into plates which are moved in various directions.
The theory of plate tectonics grew out of earlier hypotheses and observations collected during exploration of the rocks of the ocean floor. When these plates move around over time, they bring the continents together to form supercontinents. The earth is the only planet known to currently have plate tectonics. 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. Videos are updated regularly to fix mistakes or make improvements. The earths plates jostle about in fits and starts that are punctuated with earthquakes and volcanic eruptions. Plate tectonic theory arose out of the hypothesis of continental drift proposed by alfred wegener in. This windows to the universe interactive webpage connects students to the study and understanding of plate tectonics, the.
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. 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. Video transcript plate tectonics volcanos with liz liz cottrell. Nonplate tectonic styles were probably dominated by single lid tectonics and this evolved as earth cooled and its lithosphere thickened. Explain the concept of plate tectonics, including types of plate boundaries, the characteristics of typical boundaries, and the variability seen in boundary types.
Im liz cottrell, director of the global volcanism program at the national museum of natural history. You will recall from a previous chapter that there are three major layers crust, mantle, core within the earth that are. 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. 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. The structure of the earth, plate tectonics and landforms. They become familiar with these global data sets and understand how earths tectonic plates and plate boundaries are defined. This laboratory is designed to help students understand the basic mechanics of how the plates move, recognize. Plate tectonics the earths crust is divided into plates which are moved in various directions. We now know that, directly or indirectly, plate tectonics influences nearly all geologic processes, past and present. It contains 4 engaging, nonfiction reading comprehension passages with directions for student annotations. Dynamic earth kmz file for use with plate tectonics exercises kmz file 1. 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. The data page contains additional geological datasets relating to plate tectonics.
Plate tectonics pdf ebook plate tectonics read online and download ebook plate tectonics. Six of the majors are named for the continents embedded within them, such as the north american, african, and antarctic 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. 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. You will recall from a previous chapter that there are three. Plate tectonics the tectonic plates of the world were mapped in the second half of the 20th century.
Read and download ebook plate tectonics word wise answers pdf at public ebook library plate tectonics word wise answers pdf download. The layer below the lithosphere is the asthenosphere. This plate motion causes them to collide, pull apart, or scrape against each other. In addition, the diving plate melts and is often spewed out in. Provenance anne egger, central washington university. Most of the plates are composed of continental and oceanic lithosphere. Read and download pdf ebook chapter 9 plate tectonics wordwise answers at online ebook library. The usgs hosts numerous files relating to earthquakes and plate tectonics on this data page. 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. 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. The movement of tectonic plates is most evident at the boundaries between the plates. Youtube channel welcome video with closed captioning. 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.
This is a unit study on plate tectonics in geology or earth science subject. Notes on plate tectonics plate tectonics states that the earths crust and upper mantle are broken into sections, called plates. Seafloor spreading helps explain continental drift in the theory of plate tectonics. The lithosphere lithosphere is comprised of the upper mantle and the crust, the outer shell of the earth. Plate boundaries have the highest concentrations of. Plate tectonics describes the distribution and motion of the plates.
It is made up of thick, interconnecting pieces called tectonic plates that fit together like a puzzle. The disaster is a volcano convergent boundry, an earthquake t. The pdf portable document format versions of the lecture notes are optimized for printing. Plates move apart at divergent plate boundaries such as the oceanic.
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