Sea Floor Spreading Blank Diagram

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.

Sea floor spreading blank diagram.

Seafloor spreading theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them. Ocean floor topography worksheet answers. Seafloor spreading blank diagram. Fill in the blank.

The earth does not get bigger. The mid atlantic ridge for instance separates the north american plate from the eurasian plate and the south american plate from the african plate the east pacific rise is a mid ocean ridge that runs through the eastern pacific ocean and separates the pacific plate from the north american. Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor. Whats people lookup in this blog.

For instance the atlantic ocean is believed to be expanding because of its few trenches. Ocean floor diagram worksheet answers. The process by which the ocean sinks beneath a deep ocean trench and back into the mantle is. Lower mantle semi rigid the deepest parts of the mantle just above the core.

Magma molten rock withing the earth s mantle. Subduction and sea floor spreading are processes that could alter the size and form of the ocean. 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. 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.

Spreading rate is the rate at which an ocean basin widens due to seafloor spreading. Whats people lookup in this blog. Read the definitions below then label the seafloor spreading plate divergence diagram. Sea floor spreading worksheet key ocean floor diagram quizlet diagram of the ocean floor model of sea floor spreading sea floor spreading worksheet.

Seafloor spreading is the creation of new seafloor or new oceanic crust 5. Fill in the blank. The oldest sections should be the sections on both sides furthest from the middle 4. How did drilling samples show that sea floor spreading really has taken place.

In seafloor spreading. Spreading rates determine if the ridge is fast intermediate or slow. Atlantic ocean floor topography lab diagram of the ocean floor seafloor topography grade 9 free printable tests and modelling the ocean floor lab. A model of seafloor spreading key 1.

A long narrow and very deep canyon where the ocean floor bends down toward the mantle is called a. Lithosphere the crust plus the rigid upper mantle.