Sea Floor Spreading Blank Diagram
Fill in the blank.
Sea floor spreading blank diagram. In seafloor spreading. Seafloor spreading model of sea floor spreading sea floor spreading worksheet sea floor spreading homework whats people lookup in this blog. The process by which the ocean sinks beneath a deep ocean trench and back into the mantle is. The oldest sections should be the sections on both sides furthest from the middle 4.
A long narrow and very deep canyon where the ocean floor bends down toward the mantle is called a. 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. 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 theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them.
Read the definitions below then label the seafloor spreading plate divergence diagram. Seafloor spreading is the creation of new seafloor or new oceanic crust 5. Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor. 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.
Atlantic ocean floor topography lab diagram of the ocean floor seafloor topography grade 9 free printable tests and modelling the ocean floor lab. The strips of paper represent oceanic crust or seafloor. Ocean floor diagram worksheet answers. The earth does not get bigger.
Subduction and sea floor spreading are processes that could alter the size and form of the ocean. Spreading rate is the rate at which an ocean basin widens due to seafloor spreading. Whats people lookup in this blog. Lithosphere the crust plus the rigid upper mantle.
For instance the atlantic ocean is believed to be expanding because of its few trenches. 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. The center slit represents a mid ocean ridge 2. Fill in the blank.
Seafloor spreading blank diagram. Magma molten rock withing the earth s mantle. Whats people lookup in this blog. Spreading rates determine if the ridge is fast intermediate or slow.
A model of seafloor spreading key 1. Ocean floor topography worksheet answers.