Tectonic plate interactions are of three different basic types. Convergent boundaries convergent boundaries, also called destructive boundaries, are places where two or more plates move toward each other. Compare and contrast the topographical features at divergent and convergent plate margins. It causes the movement of the plates which establish gaps.
The rising current pushes up on the bottom of the lithosphere, lifting it and flowing laterally beneath it. Divergent is the debut novel of american novelist veronica roth, published by harper collins childrens books in 2011. When the plates finally give and slip due to the increased pressure, energy is released as seismic waves, causing the ground to shake. In plate tectonics, a convergent boundary, a divergent boundary or transform faults the denser plate is subducted underneath the other plate, for example, that answer came with the theory of plate tectonics. Continental lithosphere is too buoyant to subduct deeply, so rather than a subduction zone and trench these boundaries encompass a thick mess of. The people who study the volcanic islands must realize about the importance of divergent boundary. The plates form a subduction zone with one plate descending beneath the other plate. The types of plate tectonic boundares are divergent, convergent and transform conservative. Plates interact at three types of plate boundaries.
The two plates must be an oceanic plate and a continental plate. At a convergent boundary, the leading edge of one plate desends beneath the margin of the other by subduction. Most of these tectonic plate boundaries are located on the floor of the oceans. A divergent boundary is an area where two crustal plates are separating. At a divergent boundary, volcanic activity produces a mid ocean ridge and small earthquakes. This is a 4 four page flipbook that students can create that can fit into a science interactive notebook. Convergent boundaries places where plates crash or crunch together are called convergent boundaries. Convergent divergent and transform plate boundaries topic 2.
Con con con song period 6 2018 gulfview middle school naples, florida. Compare and contrast divergent, convergent, and transform plate boundaries. As the plates move past each other, they sometimes get caught and pressure builds up. Over millions of years, tectonic plates may move many hundreds of kilometers. Recorded during a 2007 teacher workshop on earthquakes and tectonics. They are also known as destructive boundaries as rock is lost and melted in the process. However, with divergent plate boundaries, new oceanic lithosphere is created to fill in the gaps.
Lets find out other interesting facts about divergent boundaries below. Plate boundaries 3 main types of boundaries divergent plates diverge, or move away convergent plates converge, or come together transform plates slide past each other divergent boundary plates move away or spread from each other. Lithospheric plates are regions of earth s crust and upper mantle that are fractured into plates that move across a deeper plasticine mantle. Convergent plate boundaries in continental and oceanic lithosphere.
There are three kinds of c onvergent plate movement. The novel divergent features a postapocalyptic version of chicago and follows beatrice tris prior as she. Compare and contrast divergent, convergent, and book f 43. Divergent boundaries are boundaries where plates pull away from each other, forming mild earthquakes and volcanoes as magma comes to the surface. In plate tectonics, a divergent boundary or divergent plate boundary also known as a constructive boundary or an extensional boundary is a linear feature that exists between two tectonic plates that are moving away from each other.
The types are oceanocean, oceancontinent, and continentcontinent. List of tectonic plate interactions news newspapers books scholar jstor january 2016. Current research indicates that complex convection within the earth s mantle allows material to rise to the base of the lithosphere beneath each divergent plate boundary. In plate tectonics, a divergent boundary or divergent plate boundary is a linear feature that. In the case of divergent plate boundaries, two of earths plates move away from each other. If you dip the book into the bathwater spinefirst and move the book back and forth longways, what do you observe. Oceans are born and grow wider where plates diverge. Convergent plates push boundaries together transform conservative plates. Describe the effects of plate tectonics found at each type of boundary. Video lecture on divergent, transform, and convergent types of plate boundaries. Most of the earths geologic activity takes place at plate boundaries. Plate boundaries convergent, divergent, and transform practice that involves reading comprehension and application.
Learn about three types of convergent boundaries with help from a science. Subduction is the process where two tectonic plates. Categorization of plate boundaries is based off of how two plates move relative to each other. Divergent plate boundaries in continental and oceanic lithosphere. The novel divergent features a postapocalyptic version of chicago and follows beatrice tris prior as she explores her identity within a society. The novel is the first of the divergent trilogy, a series of young adult dystopian novels set in a divergent universe. As the plates move away from each other, the lithosphere begins the tear and thin out. Transform boundaries where crust is neither produced nor destroyed as the plates slide horizontally past each other.
Hammers, field bags, hand lenses, maps, books, hardness picks, gold pans. At divergent boundaries new crust, is created as two or more plates pull away from each other. When a continental plate and an ocean plate converge the ocean plate is heavier and subducts beneath the continental plate. As these plates stick, there is a built up of pressure. They are also known as constructive boundaries as new rock is created in the process. Two ocean plates converge forming a subduction zone also.
By now you might be wondering how do they move and when did they start moving. Plate boundaries can be located by outlining earthquake epicenters. A the earth started shifting about 500 million years ago. Convergent boundaries where crust is destroyed as one plate dives under another. Describe how convection currents might be the cause of plate tectonics. Tectonic plates meeting convergent plates form mountains. Divergent boundaries within continents initially produce rifts, which eventually become rift valleys. The three kinds of plate boundaries are also illustrated in the cross section, divergent, convergent, and transform. This lateral flow causes the plate material above to be dragged along in the direction of flow. Therefore, divergent plates both destruct and construct the lithosphere but ultimately reconstructs. In terms of plate tectonics, divergent boundaries are areas under tension where lithospheric plates are pushed apart by magma upwelling from the mantle.
Divergent plate boundaries are locations where plates are moving away from one another. Learn plate boundaries with free interactive flashcards. What is the divergent boundary convergent boundary and strike. There are 3 different types of convergent plates boundaries which are recognized. Jenice culzac according to the united states geological survey usgs a tectonic plate also called lithospheric plate is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. Convergent boundary movement is divided into two types, subduction and collision, depending on the density of the involved plates. One type of motion is produced by seafloor spreading. Choose from 500 different sets of plate boundaries flashcards on quizlet.
Plate boundaries this worksheet gives a brief reading selection about the three main plate boundaries. Plates only move a few centimeters each year, so collisions are very slow and last millions of years. Convergent boundaries are when two plates are moving toward each other. The student is then asked to cut out various pictures or words to show understanding of the reading selection and paste into the appropriate location. When a diverging boundary occurs on a land rift, or separation will arise over time that mass of land will break apart into. At every divergent boundary new crust is created as two or more plates diverge. This term is very important in plate tectonic due its movement. Divergent plates pull apart from each other convergent plates. But if those plates change direction which i am just assuming they can over time, i have no idea if its true and start pulling apart divergent plates, will the mountains automatically crumble away as the plates split, or can some mountains become part of one or the other plate, like clay sticking to your hands when you. Jan 17, 2018 con con con song period 6 2018 gulfview middle school naples, florida.
Divergent plate boundary in terms of plate tectonics, divergent boundaries are areas under tension where lithospheric plates are pushed apart by magma upwelling from the mantle. There are three main types of convergent boundaries that both you and your students are going to need to be aware of. Plates of lithosphere move because of convection currents in the mantle. When the two plates collide, a process called subduction occurs. It covers the 3 types of plate tectonic boundaries. The separating plates form rift valleys on the ocean floor where there are weaknesses in the crust. Diagram 8 of a 3 dimensional representation of the puerto rico trench. Conservative transform plate boundaries slide across from each other. Even though plate collisions take a long time, lots of interesting things happen. As the plates move and they diverge or converge along their borders, large energies are unleashed resulting in tremors that transform the earths surface. Plate tectonics is the name for the fact that the earth is broken into plates. The weaknesses in the crust allow molten lava to move toward the earths surface on the ocean.
Continental lithosphere is too buoyant to subduct deeply, so rather than a subduction zone and trench these boundaries encompass a thick mess of folded, piledup crust. In summary the divergent and convergent plate margins have similar and different topographical features that would have been formed or is still forming as a result of tectonic plate movement. Most seismic activity occurs at three types of plate boundariesdivergent, convergent, and transform. Jan 17, 2020 divergent boundaries exist where tectonic plates move apart from each other. Tectonic plates moving can cause tsunamis, earthquakes, and volcanoes. Convergent boundaries form when two crustal plates are colliding. Map of the midocean ridge system in red, which marks the divergent plate boundaries around the world. New crust is created by the magma pushing up from the mantle. There are essentially three types of plate boundaries, which are divergent, convergent, and transform. But if those plates change direction which i am just assuming they can over time, i have no idea if its true and start pulling apart divergent plates, will the mountains automatically crumble away as the plates split, or can some mountains become part of one or the other plate. The vast majority of divergent boundaries are found in the ocean, where they were not mapped or understood until the midtolate 20th century. Remember that the earths crust is not a single layer like an orange peel. The term divergent boundary is also recognized as extensional boundary, constructive boundary or divergent plate boundary. Visit the interactive plate boundary map to explore satellite images of these three areas.
Convergent plates are when two plates push against each other and collide. At divergent boundaries, plates move away from each other. Divergent boundaries where new crust is generated as the plates pull away from each other. By divergentandsuch ongoing updated jan 23, 2014 embed story share via email.
Convergent, divergent and transform boundaries represent areas where the earths tectonic plates are interacting with each other. At divergent margins, plates move away form each other. Lithospheric plates are regions of earths crust and upper mantle that are fractured into plates that move across a deeper plasticine mantle. Most divergent boundaries are located along midocean oceanic ridges although some are on land. When the plates move, pressure is suddenly released and jerking movement occurs on the surface. There are 3 types of tectonic plate movement divergent, convergent, and transform. Divergent boundaries exist where tectonic plates move apart from each other. Heres a short description of the 3 types of plate tectonics. Divergent boundaries are the areas where the plates move apart. Three types of convergent plate boundaries youtube. Convergent boundaries between continental plates are a bit different than oceanicoceanic and oceaniccontinental mashups.
As a result of this movement, three types of plate boundaries are formed. Sep 16, 2017 plate boundaries interact with each other in 3 primary ways. Unlike convergent boundaries, divergence occurs between only oceanic or only continental plates, not one of each. Divergent boundaries represent areas where plates are spreading apart. How would you explain divergent boundaries, convergent. Understanding plate motions this dynamic earth, usgs. Convergent divergent and transform plate boundaries topic. Convergent boundaries, of which there are three types, occur where plates are colliding. At convergent boundaries, plates move toward each other. O ceanicoceanic boundaries are when two oceanic plates converge.
Transform boundaries where crust is neither produced nor destroyed as. As the plates move past each other, they sometimes get. This process usually happens at the plate boundaries in the ocean. Feb 29, 2020 categorization of plate boundaries is based off of how two plates move relative to each other. The red sea was formed where the african and arabian plates pulled apart. Understanding plate tectonics geosciences libretexts. What is the divergent boundary convergent boundary and. Since the plates float, they bump into each other, sort.
Divergent boundaries also form volcanic islands, which occur when the plates move apart to produce gaps that molten lava rises to fill. There are three distinct types of plate boundaries, shown illustrated by the. Then it will be filled with molten lava which completes the volcanic island. Brian lazos plate tectonics project plate tectonics tectonic plates plates sectioned of earths crust and mantle that move across the earth as stated. Conservative transform plate boundaries slide across from each other now, lets take a look at each type of tectonic plate. It is broken up into plates which float on molten rock the mantle.
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