Sea Floor Spreading Worksheet Pdf

Sea floor spreading the longest chain of mountains in the world is the system of mid ocean ridges.

Sea floor spreading worksheet pdf.

There is one worksheet for each section or lesson of the chapter. 1 what feature of the ocean floor is shown at a. Seafloor spreading is happening at b. 3 what happens to old oceanic crust as new molten material rises from the mantle.

Homework sheets and education. Sea floor spreading worksheet use the figure above to answer the following questions. Additionally if you would like all of the resources together in a pdf document that can be accessed as a complete resource here. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary.

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. 2 describe the process shown occurring at b and explain what results from this. 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. Displaying top 8 worksheets found for activity seafloor spreading.

In the mid 1900s scientists mapped the mid ocean ridges using sonar. 20 luxe sea floor spreading activity. Sea floor spreading worksheet is often used in geography worksheets worksheets practice sheets amp. 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.

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. Strong evidence of seafloor spreading and plate tectonics. Download fill in and print sea floor spreading worksheet pdf online here for free.

Seafloor spreading dichotomous key handwriting practice worksheets electromagnetic spectrum sea floor printable math worksheets earth and space science plate tectonics science classroom. In 1960 harry hess hypothesis about seafloor spreading was a key component of the plate tectonics revolution. These worksheets provide an additional resource for reviewing the con cepts of the chapter. Sea floor spreading answer key.

Paleomagnetism led the revival of the continental drift hypothesis and its transformation into theories of sea floor spreading and plate tectonics. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge. This creates new ocean crust. Sea floor spreading entire lesson pdf version.

Sonar is a device that bounces sound waves off underwater objects and then records the echoes of these sound waves.