1 decade ago. transform boundary. - 15317370 Tectonic plate interactions are classified into three basic types:. convection currents in the asthenosphere. Each one is unique because of the density of the plates involved. • There are three types of convergent plate boundaries: oceanic-oceanic boundaries, oceanic-continental boundaries, and continental-continental boundaries. Become a part of our community of millions and ask any question that you do not find in our Plate Tectonics Q&A library. When Plates Collide Focus Plate Tectonics – Movement of plates, results of plate movement, and the Chile Triple Junction Grade Level 5-6 (Physical Science) Focus Question How do tectonic plates move, and what are the consequences of these movements? ... the process in which two lithospheric plates of different densities converge and the denser one sinks into the mantle beneath the other. ★★★ Correct answer to the question: Two tectonic plates of different densities collide. These are also known as compressional or destructive boundaries. Divergent boundaries are areas where plates move away from each other, forming either mid-oceanic ridges or rift valleys.These are also known as constructive boundaries. Plate convergence: In places where two plates move towards each other, elongated collision zones build up. An example is the Andes Mountains and the Peru-Chile trench. For example, the Pacific plate is currently drifting north-westwards by 6cm per year. The density of a subducting plate helps to pull the lithosphere into a subduction zone in a process called _____ ... _____-occurs when tectonic plates of different density collide. Subduction occurs when there is a difference in the density of the plates. The two towels represent two different tectonic plates. Lv 7. The deep trenches are generally produced when one of the plates slides underneath each other, a procedure known as subduction. Density plays a key role in convergent boundaries. 1. Instead, two tectonic plates grind past each other in a horizontal direction. The diagram shows what can occur when two continental plates collide. Significant differences in the composition and density of continental vs. oceanic plates help explain tectonic processes and the overall layout of our planet's surface. When two plates collide at a convergent plate boundary, it is the denser plate that will subduct. When a convergent boundary occurs between two oceanic plates, one of those plates will subduct beneath the other. a plate boundary where two tectonic plates slide horizontally past one another. a fault. Plate tectonics is a theory of geology.It explains movement of the Earth's lithosphere: this is the earth's crust and the upper part of the mantle.The lithosphere is divided into plates, some of which are very large and can be entire continents.. Heat from the mantle is the source of energy driving plate tectonics. Learning Objectives n Students will describe the motion of tectonic plates. Plate Tectonics are marvellous pieces of geography that can do magnificent things like cause devastation so quickly and is amazing in a bad way in the sense it can cause major natural disasters just by moving in different ways known as Plate boundaries. A convergent boundary (also known as a destructive boundary) is an area on Earth where two or more lithospheric plates collide. a ridge. If 2 tectonic plates collide, materials from them will be uplifted to form a mountain. Two tectonic plates of different densities collide. Continental plates are one of those things that don't follow fine categorization well, continental plates can be composed of many smaller plates and the distinction between two plates can be vague. You should have noticed that both plates rose up to create mountains because the towels (plates) were the same density. Transform Boundaries — Grinding Plates. If these two plates are of the same density, they would push against each other. The Earth's tectonic plates comprise two kinds of crust: continental and oceanic. (Multiple answers) 1. island 2. mid-ocean ridge 3. rift valley 4. trench 5. volcano Which feature results when plates of different densities converge and one plate slips under the other? The Himalayas are the best example of such a collision. The surface is pushed upwards like the Himalayas. features formed are Deep trenches Active volcanoes arcs of islands along the tectonic boundary in some cases, mountain ranges. For example, take two bars of clay, put them both in a table and push them towards each other. 2) Define weathering and erosion. When two tectonic plates with distinct densities come into contact with each other because of the convection currents, which are generated by the heat inside the asthenosphere, a convergent plate boundary gets produced. Convergent boundaries are areas where plates move toward each other and collide. 1) Name two different events that can occur when two different plates collide( ie. With this type of collision there are no features such as a subduction zone, trench or acretionary wedge. The subducting plate is heated as it is forced deeper into the mantle, and at a depth of about 100 miles (150 km) the plate begins to melt. ... the different densities of the oceanic and crustal plates . Which of the following could form at the plate boundary? Browse from thousands of Plate Tectonics questions and answers (Q&A). The result depends on the type of plates involved. The most obvious example of this are the Himalayas, which were formed as a result of the collision between the Eurasian and Indian continental plates. It is possible to have the collision of two oceanic plates, an oceanic plate and a continental plate or two continental plates. Slide them towards each other. When the plates collide, on plate often moves below the other plate. 0 1. busterwasmycat. convergent boundaries. At an average rate of 33 feet per 100 years (about 10 cm/year), a tectonic plate can … When two plates come in contact with each other through plate tectonics, scientists can use the density of the plates to predict what will happen. (convergent boundaries.) This helps form a mountain. When two continental plates collide, the crust is forced to thicken, creating mountain ranges such as the Himalayas. What occurs on Earth when two tectonic plates of roughly equal density collide head-on? continental rifting. Depending on the composition and age of the two converging plates, these zones have dif¬ferent characteristics and thus lead to different types of collision. When two tectonic plates of different density collide, the denser one subducts under the more buoyant plate. Normally the older plate will subduct because of its higher density. • When two tectonic plates move toward each other and collide, they form a convergent plate boundary. The diagram shows a model of the movement of two tectonic plates. At destructive plate boundaries where two plates of different densities are pushed together, one plate slides over the other and the lower one disappears into the magma, where it eventually melts.The groove where the plates meet is called a trench.These boundaries are called destructive plate boundaries. When two continental tectonic plates collide, it causes the rocks in both plates to fold and eventually become piled up to form mountains. a plate boundary where two tectonic plates move toward each other or collide head-on. Which of the following could form at the plate boundary? The movement of the plates may be hindered, building up friction, thus increasing pressure, leading to a slip in one of the plates causing an earthquake. which of the following could form at the plate boundary - edu-answer.com Name three agents of each. plates of equal and plates of unequal densities), give an example of each and a location where each has occurred. There are times when there are more than two tectonic plates that collide in this area. answer choices . Write your observations about the plate boundary on your lab sheet. Exactly how this works is still a matter of debate. The Red Sea marks a boundary between two tectonic plates that are moving apart. Two tectonic plates of different densities collide. At transform boundaries, tectonic plates are not moving directly toward or directly away from each other. 2. When two plates of continental crust collide, you get mountain building (geologic term would be an orogeny or orogenic belts). The collision of two continental plates occurs when a sea becomes narrower until both plates collide. What occurs when a higher-density tectonic plate collides head-on with a lower-density plate? Convection currents within the Earth's mantle cause these tectonic plates to move at slow rates. This also explains why most of the examples of … This is when two tectonic plates move toward each other and collide. The accurate word for ‘land plates’ ‘is continental crust. Tectonic plates often collide or grind against one another, which causes different types of margins: constructive, destructive, collision and conservative. Tectonic plates move at rates that vary from less than 6 feet per 100 years to 66 feet per 100 years (1.83–20.1 m/100 years); and these rates may have been faster in the ancient past. One plate eventually slides beneath the other, a process known as subduction.The subduction zone can be defined by a plane where many earthquakes occur, called the Wadati–Benioff zone. 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