Sea Floor Spreading Worksheet Pdf

The older rock is close to 400 million years.

Sea floor spreading worksheet pdf.

This coloring sheet visu. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge. Sea floor spreading worksheet use the figure above to answer the following questions. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary.

This is a mid ocean ridge. Strong evidence of seafloor spreading and plate tectonics. 20 luxe sea floor spreading activity. 3 what happens to old oceanic crust as new molten material rises from the mantle.

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 dichotomous key handwriting practice worksheets electromagnetic spectrum sea floor printable math worksheets earth and space science plate tectonics science classroom. The regions that hold the unique record of earth s magnetic field lie along the mid ocean ridges where the sea floor is spreading. Sea floor spreading the longest chain of mountains in the world is the system of mid ocean ridges.

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. Work together for the rest of the worksheet. In 1960 harry hess hypothesis about seafloor spreading was a key component of the plate tectonics revolution. Seafloor spreading is happening at b.

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. Sea floor spreading entire lesson pdf version. 2 describe the process shown occurring at b and explain what results from this. This creates new ocean crust.

1 what feature of the ocean floor is shown at a. In the mid 1900s scientists mapped the mid ocean ridges using sonar. Displaying top 8 worksheets found for activity seafloor spreading. Finally students may need their earth science reference tables esrt for parts of the lesson a document used widely in the new york state earth science regents.

Sea floor spreading answer key. With one student representing a continent such as south america and another representing africa they can start out standing close together. Sonar is a device that bounces sound waves off underwater objects and then records the echoes of these sound waves. Sea floor spreading worksheet pdf.