Sea Floor Spreading Worksheet Pdf

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Sea floor spreading worksheet pdf.

This coloring sheet visu. Sea floor spreading the longest chain of mountains in the world is the system of mid ocean ridges. Sea floor spreading worksheet use the figure above to answer the following questions. 1 what feature of the ocean floor is shown at a.

Some of the worksheets for this concept are sea floor spreading work sea floor spreading a model of seafloor spreading inside earth work magnetic reversals activity name date sea floor spreading l 1 2 3 5 4 ovr l lesson 3 seafloor profiling seafloor spreading and subduction. 2 describe the process shown occurring at b and explain what results from this. This is a mid ocean ridge. The regions that hold the unique record of earth s magnetic field lie along the mid ocean ridges where the sea floor is spreading.

Work together for the rest of the worksheet. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge. Sea floor spreading answer key. This creates new ocean crust.

In the mid 1900s scientists mapped the mid ocean ridges using sonar. Sea floor spreading entire lesson pdf version. Displaying top 8 worksheets found for activity seafloor spreading. Sea floor spreading worksheet pdf.

Strong evidence of seafloor spreading and plate tectonics. The student s can also demonstrate seafloor spreading rate in the classroom. Additionally if you would like all of the resources together in a pdf document that can be accessed as a complete resource here. Seafloor spreading is happening at b.

The older rock is close to 400 million years. Seafloor spreading is the process that occurs at mid ocean ridges where new crust is formed through volcanic activity and then gradually moves away from the ridge. With one student representing a continent such as south america and another representing africa they can start out standing close together. 20 luxe sea floor spreading activity.

Sea floor spreading earth science post module 2 middle school page 3 the youngest rock will always be closest to the ridge area and the oldest will be on the outside closest to the continents. Paleomagnetism led the revival of the continental drift hypothesis and its transformation into theories of sea floor spreading and plate tectonics. Sonar is a device that bounces sound waves off underwater objects and then records the echoes of these sound waves. 3 what happens to old oceanic crust as new molten material rises from the mantle.