Convergent plate boundaries are locations where lithospheric plates are moving towards one another. Unlike convergent boundaries, divergence occurs between only oceanic or only continental plates, not one of each. Transform faults connecting two divergent plate boundaries in oceans ridgeridge type maintain their lengths. At the subduction zones, which are associated with convergent plate boundaries, intermediate and deepfocus earthquakes mark the location of the upper part of a dipping lithosphere slab. Divergent plate boundaries are locations where plates are moving away from one another.
The plate collisions that occur in these areas can produce earthquakes, volcanic activity, and crustal deformation. It is the structure and geological processes of divergent boundaries that shape the continents and oceans over time by forming new crust and new. The data helps to understand what is happening at the plate boundaries, since divergent boundaries are moving away from one another it reveals. Apr 12, 20 its at least a sixth or seventh grade read, if not higher. The red seaeast africa the afar region in northern ethiopia is the centre of a y shaped rift system, where the continental lithosphere is being stretched and is splitting. Divergent boundary also known as spreading boundary, a divergent boundary occurs where two plates move apart, allowing magma, or molten rock, to rise from the earths interior to fill in. Lithospheric plates are regions of earth s crust and upper mantle that are fractured into plates that move across a deeper plasticine mantle. Find and level books by searching the book wizard database of more than 50,000 childrens books.
Plate boundary zones broad belts in which boundaries are not well defined and the effects of plate interaction are unclear. The age the rocks located far away from the divergent boundary is older than that of the rocks located nearest the boundary even though both are in the similar plate. A geography powerpoint lesson and 2 worksheets on the topic of plate tectonics. This process usually happens at the plate boundaries in the ocean. The plates form three different kinds of boundaries. Divergent by veronica roth scholastic books for kids. They are also known as constructive boundaries as new rock is created in the process. What marine recruits go through in boot camp earning the title making marines on parris island duration. The surface of the earth is composed of a mosaic tectonic plates moving with respect to each other. Most commonly this is the case at midoceanic ridges, where two oceanic plates move apart. This contrasts with convergent boundaries, where the plates are colliding, or converging, with each other. Divergent boundaries where new crust is generated as the plates pull. In conventional plate tectonics theory, an oceanic plate subducts under another plate and new oceanic crust is generated.
Most divergent boundaries are located along midocean oceanic ridges although some are on land. Divergence or separation of two plates occurs due to convection currents in the earths upper mantle or asthenosphere. Divergent plates move away from each other, creating a rift in the brittle rock of the lithosphere. Some divergent boundaries are on the ocean floor where the lithosphere is thin. In the oceans, this has produced the mid ocean ridge system, which can also be described as a global range of underwater mountains. When continental and oceanic plates collide, the thinner and more dense oceanic. For example, observe how the atlantic ocean formed. Aug 14, 2009 what marine recruits go through in boot camp earning the title making marines on parris island duration. Divergent double subduction abbreviated to dds, also called as outward dipping doublesided subduction is a special type of subduction system where two parallel subduction zones with different directions are developed on the same oceanic plate.
Apr 02, 20 the plates are of equal specific gravity approx 2. Its not like there is anything that will cause you to change your morals, but its up to you what your age appropriate content is. Divergent plate boundaries in continental and oceanic lithosphere. Fiction in beatrice priors dystopian chicago world, society is divided into five. In terms of plate tectonics, divergent boundaries are areas under tension where lithospheric plates are pushed apart by magma upwelling from the mantle. Eventually a new ocean will form between the two continents. Divergent boundaries exist where tectonic plates move apart from each other. But really its all about a persons maturity level and interest. A divergent boundary is a fault where the two plates are moving away from each other. This current pushes up on the bottom of the lithosphere, lifting it and flowing beneath it. All you need is a book s author, title or isbn number to find the lexile text measure of that book. Information and translations of divergent boundary in the most comprehensive dictionary definitions resource on the web.
Along divergent boundaries like the midatlantic ridge and the east pacific rise. Graduated levels of difficulty build students confidence while increasing comprehension and fluency. Plate tectonics and plate boundaries lesson teaching. Fiction in beatrice priors dystopian chicago world, society is divided into five factions, each dedicated to the cultivation of a particular virtue. The rate of spreading along the midatlantic ridge averages about. Divergent plates are when two plates move away from each other and create trenches or ocean ridges. Divergent plate boundaries in the ocean create midocean ridges. Vouichard, from a united nations university document at.
This movement usually occurs at midocean ridges where new seafloor is being formed, but it can occur in the middle of continents as rift valleys and eventually form a new ocean, like the gulf of california or the red sea. She uses some devices that fans of dystopian novels will recognize a compartmentalized society, a misfit protagonist, dangerous secrets, and a cliffhanger ending but still manages to create an unstoppable plot. Aug 31, 2009 divergent boundaries are one of the biproducts of plate tectonics. New crust is created by magma rising up from the mantle and constantly filling the gap created by the diverging plates. The earth is made of seven major plates and several smaller plates. Plate tectonics and plate boundaries lesson teaching resources. This movement usually occurs at midocean ridges where new seafloor is being formed, but it can occur in the middle of continents as rift valleys and eventually form a new ocean. The rising current pushes up on the bottom of the lithosphere, lifting it and flowing laterally beneath it. Divergent boundaries within continents initially produce rifts, which eventually become rift valleys. Plate tectonics geological features of divergent plate boundaries if youre seeing this message, it means were having trouble loading external resources on our website. The vast majority of divergent boundaries are found in the ocean, where they were not mapped or understood until the midtolate 20th century. The powerpoint teaches pupils about tectonic plates and the three main types of boundaries convergent, divergent, transform. Candor the honest, abnegation the selfless, dauntless the brave, amity the peaceful, and erudite the intelligent.
The earth has several major tectonic plates, which are sections of unbroken crust. Iceland provides us with a fabulous view of a mid ocean ridge above sea level figure below as you can see. Divergent appropriate age to read this book showing 141. Divergent boundaries divergent boundaries occur along spreading centers where plates are moving apart and new crust is created by magma pushing up from the mantle. Rift valleys develop when a continent is broken apart by a divergent boundary. One of the large plates is the north american plate. Divergent boundaries are also known as spreading plates. You can search for books based on lexile codes, which provide information on the book s intended usage, or find books that are easy to decode or have a lot of. Illustration of the main types of plate boundaries 55 k divergent boundaries divergent boundaries occur along spreading centers where plates are moving apart and new crust is created by magma pushing up from the mantle. Starting pointteaching entry level geoscience conceptests conceptest examples conceptest. Plates move apart to produce gaps which is molten lava. Search by title, author, illustrator, or keyword using the search box above.
A tectonic boundary where two plates are moving away from each other and new crust is forming from magma that rises to the earths surface between the two. Which of these landforms would most likely be found at a divergent boundary. Divergent plate boundaries in the oceans ck12foundation. 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. They are also known as destructive boundaries as rock is lost and melted in the process. Geological features of convergent plate boundaries our mission is to provide a free, worldclass education to anyone, anywhere. The developing boundary between two spreading continental plates is known as a continental rift. Apply different tectonic forces to plate boundaries. Convergent plates are when two plates push against each other and collide. The arabian plate is rifting away from the african plate along an active divergent ridge system, to form the red sea and gulf of aden.
Picture two giant conveyor belts, facing each other but slowly moving in opposite directions as they transport newly formed oceanic crust away from the ridge crest. Instantly get a books guided reading, lexile measure, dra, or grade level reading level. Understanding plate tectonics geosciences libretexts. Roth, who wrote the book as a college student, has earned a tremendous amount of first book buzz, and the hype is welldeserved. Divergent boundaries are one of the biproducts of plate tectonics.
Apr 15, 2015 moving of divergent plate boundaries divergent plate boundaries are located where plates are moving away from each other. Divergent boundaries also form volcanic islands, which occur when the plates move apart to produce gaps that molten lava rises to fill. Divergent boundaries exist both on the ocean floor and on land. Divergent boundaries within continents initially produce rifts which produce rift valleys. Tectonic plate tectonic plate when the lithosphere is broken down into large pieces. There are 3 types of interaction between tectonic plates. Recorded during a 2007 teacher workshop on earthquakes and tectonics. Definition of divergent boundary in the dictionary. She is the first jumper and changes her name to tris. I looked through the list and saw divergent as one of the listed books. This plate includes most of the north american continent, greenland, and part of. Facts about the divergent plate boundary explained with a. Divergent plate boundaries in the oceans ck12 foundation. Divergent boundary definition of divergent boundary by.
Age of the seafloor topography dataset science on a sphere. However, deformation within fault zones, often quantified as slip rate or strain rate, is potentially. Overview of the characteristic features found at a divergent boundary. Sep 28, 2008 divergent plates are moving away from each other. Other articles where divergent plate boundary is discussed. Violence really isnt frowned on for that young of age. The banding furnishes a map in time and space of both spreading rate and polar reversals. When these boundaries spread on the sea floor, theyre characterized by volcanic activity and the rise of midoceanic mountain ridges, such as the midatlantic ridge. Earthquakes are also relatively common at a few intraplate locations.
Current research indicates that complex convection within the earths mantle allows material to rise to the base of the lithosphere beneath each divergent plate boundary. Lithospheric plates are regions of earths crust and upper mantle that are fractured into plates that move across a deeper plasticine mantle. At divergent boundaries, the earths tectonic plates pull apart from each other. Divergent boundaries are found along spreading centers where the plates are moving apart. The zone where two tectonic plates move away from each other is called the divergent plate boundary. Jan 17, 2020 divergent boundaries exist where tectonic plates move apart from each other. If youre behind a web filter, please make sure that the domains. When the two plates collide, a process called subduction occurs. You can also use find a book to search for books based on text features. Mar 25, 2015 overview of the characteristic features found at a divergent boundary. This upwelling of magma splits and push the earths crust apart. Plate tectonics quiz socorro independent school district.
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. Subduction is the process where two tectonic plates. In plate tectonics, a divergent boundary or divergent plate boundary is a linear feature that. Brian lazos plate tectonics project plate tectonics tectonic plates plates sectioned of earths crust and mantle that move across the earth as stated. May 21, 2017 a geography powerpoint lesson and 2 worksheets on the topic of plate tectonics. Transform plate boundaries and fracture zones sciencedirect. Learn divergent plate boundaries with free interactive flashcards. This lateral flow causes the plate material above to be dragged along in the direction of flow. The two plates must be an oceanic plate and a continental plate. The heat within the mantle makes the lithosphere layer below the earths crust melt. At divergent plate margins, plates are moving apart and new lithosphere is being created.
I was walking around the library when i noticed a list for the book club reading for 6th graders. Video lecture on divergent, transform, and convergent types of plate boundaries. Learn vocabulary, terms, and more with flashcards, games, and other study tools. I just think it all depends on the persons personal preferences and morals. Here fresh lava reaches the surface, creating underseas mountains, volcanos that sometimes reach the surface as in iceland. Includes description of features in five observable areas. Divergent boundary news newspapers books scholar jstor february 2016 learn how and when to remove this. This is where new seafloor is created by upwelling magma.
Iceland is a location where we can see a midocean ridge above sea level. Reading practice, literacy skills, vocabulary practice. A good example of this is the famous san andreas fault, where the north american and pacific plates are pushing past each other. Divergent boundary synonyms, divergent boundary pronunciation, divergent boundary translation, english dictionary definition of divergent boundary.
Divergent boundaries occur at the mid ocean ridges. While in the dauntless headquarters, she is called a stiff for being in abnegation. Age of the seafloors the youngest areas of the seafloor are located along the midatlantic ridge which consists of divergent boundaries. As the name implies, divergent boundaries are formed when two adjacent tectonic plates separate, i. This plate includes most of the north american continent, greenland, and part of iceland and siberia. A divergent boundary is a place where the convection currents in the mantle move upwards. The best known example of a divergent plate boundary is the midatlantic ridge. Key to any leveled reading program, leveled books support instruction in comprehension, vocabulary, close reading of text, and more.
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