Seafloor Spreading Model Parts

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.

Seafloor spreading model parts. 1 to 5 centimeters per year. Geologically are actually submerged parts of the continents. A model of seafloor spreading key 1. 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 theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them. For instance the atlantic ocean is believed to be expanding because of its few trenches. Please refer to the picture as you build this model. Sea floor spreading worksheet answers.

The trenches and the earth s asthenosphere. Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor. What is the process of sea floor spreading. 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.

Over time new. Paper strip represents seafloor 2. Sea floor spreading seafloor spreading model name date block bill nye seafloor spreading worksheet review and reinforce sea floor spreading fill online printable seafloor spreading questions q. The earth does not get bigger.

Students will make a paper model illustrating the concept of sea floor spreading and the development of symmetrical magnetic stripes on either side of a mid ocean spreading center. Whats people lookup in this blog. The center slit represents a mid ocean ridge 2. The strips of paper represent oceanic crust or seafloor.

The oldest sections should be the sections on both sides furthest from the middle 4. What parts are missing from your model. What prominent feature of the ocean floor is missing from the model. Seafloor spreading model worksheet answers.

Subduction and sea floor spreading are processes that could alter the size and form of the ocean. When the strips of paper are pulled out what process does this represent. Seafloor spreading occur along relatively narrow areas at the crest of oceanic ridges called. Learn vocabulary terms and more with flashcards games and other study tools.

Students work as individuals. This model represents the flow of lava over time due to plate tectonics at mid oceanic ridges seafloor spreading. A model of sea floor spreading teacher s guide ellen p. Looking at parts of the model have students record their ideas on the student worksheet.

Start studying sea floor spreading. Pulling out the strips of paper represents the process of seafloor spreading 3. Seafloor spreading is the creation of new seafloor or new oceanic crust 5.