Sea Floor Spreading 3d Model

For example every million years the earth s magnetic poles tend to reverse 4 or 5 times.

Sea floor spreading 3d model.

Teaching kids about divergent boundaries. Students work as individuals. The oldest sections should be the sections on both sides furthest from the middle 4. Seafloor spreading is the creation of new seafloor or new oceanic crust 5.

A model of sea floor spreading teacher s guide ellen p. Seafloor spreading theory that oceanic crust forms along submarine mountain zones known collectively as the mid ocean ridge system and spreads out laterally away from them. The formation of the new crust is due to the rising of the molten material magma from the mantle by convection current. This is the position the sea floor would have had 4 million years ago.

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 earth does not get bigger. The rocks on the seafloor show the history of the magnetic changes in the earth. Operation of the model.

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. Slide the sea floor into the trench as well. The center slit represents a mid ocean ridge 2. 3d seafloor models for download files in 3ds max c4d maya blend obj fbx with low poly animated rigged game and vr options.

A model of seafloor spreading key 1. Over time new. The strips of paper represent oceanic crust or seafloor. The process of sea floor spreading.

By using board papers bond papers and coloring materials they are able to make a 3d model of seafloor spreading. Seafloor spreading this activity is included in the deped learner s module for grade 10 it teaches students the concept of seafloor spreading. South becomes north and north becomes south. Slide the sea floor into the three slits in the shoebox and pull it down from underneath so that the numbers 4 are just visible.

Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor. The mid ocean ridge is the region where new oceanic crust is created.