![]() Heat pressure Match the oceanic and continental lithospheres with their positions on the figure below. What is the relationship between transform boundaries and mid-ocean ridges? Transform boundaries connect segments of mid-ocean ridges Which type of convergence will result in a volcanic island arc? Oceanic-oceanic _ and _ drive water from the pores of a subducted oceanic plate, which leads to partial melting. deep-ocean trench Which type of convergence will result in a continental volcanic arc? Oceanic-continental Transform boundaries are classified under which type of fault? strike-slip What role do transform boundaries play? Transform boundaries connect other segments of plate boundaries. subduction zone A _ is a geographic low, which marks the location where oceanic lithosphere descends into the mantle. ![]() −− Indian and Eurasian plates Oceanic-continentalĬontinental-continental At a _, an oceanic plate will be forced beneath another plate because of differences in density. −− North American and Juan de Fuca plates Transform boundary Match the convergent boundary with a real-world example Which of the following features would you expect to find there? All of the above are correct Match the tectonic boundary with the type of stress affecting it. What features allow for the offset of divergent boundaries? Transform faults Crustal rifting is currently occurring in East Africa. Instead, they are broken into a series of segments, with different segments of fault offset from others. question #26 Which tectonic boundary results when two tectonic plates pull apart from each other? Divergent boundaries Divergent boundaries are not one, smooth ridge of separation. Ethiopia and Kenya (East African Rift valley) A typical rate of seafloor spreading in the Atlantic Ocean is _ 2 centimeters per year Which of the choices below is a feature of the oceanic ridge system? a rift valley Label the diagram below, which shows the last stage of continental rifting. Continental rifting is occurring today in _. ![]() Why are the mid-ocean ridges higher in elevation than the surrounding ocean floor? Warmer material near the ridge is less dense, so it is more buoyant on the mantle. What is the main material being subducted at an ocean-continent convergent boundary? Oceanic lithosphere What are two differences between oceanic crust and continental crust? The continental crust is thicker and less dense than oceanic crust. outermost part of mantle beneath the oceanic crust How is the thickness of the lithosphere going to change as it moves away from a divergent plate boundary? Lithosphere will thicken as more mantle is added. Match the correct label with each plate.Įurasian - Encompasses Continent Compared to the Earth's asthenosphere, the Earth's lithosphere is cooler and more rigid Which among the plates listed below is one of the largest plates on the Earth? Pacific plate What are plate boundaries at which lithospheric plates that a) move toward each other, b) move past each other, and c) move away from each other called? a) convergent, b) transform, and c) divergent Which of the following is a layer of the Earth that is classified NOT by composition, but by physical properties? Asthenosphere Oceanic lithosphere contains oceanic crust and the _. asthenosphere Using the map provided, locate three lithospheric plates that encompass continents and three plates that encompass only oceanic crust. ![]() granite basalt The _ is a hotter, weaker region in the mantle that lies below the lithosphere and responds to forces by flowing. crust upper mantle Continental crust is mainly composed of _, whereas oceanic crust is mainly composed of _. 180 million years The lithosphere is composed of the _ and the rigid part of the _. Match the tectonic boundary with its direction of motion.Ĭ.Two plates slide past each other a.Convergent boundaryĬ.Transform boundary Match the tectonic boundary with the effect on the crust.Ĭ.Oceanic or continental crust is being conserved a.Convergent boundaryĬ.Transform boundary In the mid-twentieth century, researchers dredging the seafloor could not find any materials older than _. In Wegener's hypothesis of continental drift, how did the continents and the ocean floor move with respect to one another? Wegener believed that the continents plowed through the thin ocean floor as they changed positions.
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