For instance the atlantic ocean is believed to be expanding because of its few trenches.
Sea floor spreading blank diagram.
Seafloor spreading is the creation of new seafloor or new oceanic crust 5.
Seafloor spreading model of sea floor spreading sea floor spreading worksheet sea floor spreading homework whats people lookup in this blog.
Ocean floor topography worksheet answers.
Subduction and sea floor spreading are processes that could alter the size and form of the ocean.
A long narrow and very deep canyon where the ocean floor bends down toward the mantle is called a.
Spreading rate is the rate at which an ocean basin widens due to seafloor spreading.
Spreading rates determine if the ridge is fast intermediate or slow.
The center slit represents a mid ocean ridge 2.
The strips of paper represent oceanic crust or seafloor.
Atlantic ocean floor topography lab diagram of the ocean floor seafloor topography grade 9 free printable tests and modelling the ocean floor lab.
Sea floor spreading worksheet key ocean floor diagram quizlet diagram of the ocean floor model of sea floor spreading sea floor spreading worksheet.
How did drilling samples show that sea floor spreading really has taken place.
Magma molten rock withing the earth s mantle.
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The process by which the ocean sinks beneath a deep ocean trench and back into the mantle is.
The earth does not get bigger.
Fill in the blank.
Lithosphere the crust plus the rigid upper mantle.
Due to this continuous seafloor spreading occurs and makes atlantic ocean floor to be connected to other continental crust making the ocean gets wider over the time.
This idea played a pivotal role in the development of the theory of plate tectonics which revolutionized geologic thought during the last quarter of the 20th century.
Read the definitions below then label the seafloor spreading plate divergence diagram.
Seafloor spreading theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them.
The rate at which new oceanic lithosphere is added to each tectonic plate on either side of a mid ocean ridge is the spreading half rate and is equal to half of the spreading rate.
Lower mantle semi rigid the deepest parts of the mantle just above the core.
Fill in the blank.
Ocean floor diagram worksheet answers.
Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor.
The oldest sections should be the sections on both sides furthest from the middle 4.
In seafloor spreading.
