Sea Floor Spreading Worksheet Pdf

Work together for the rest of the worksheet.

Sea floor spreading worksheet pdf.

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. Paleomagnetism led the revival of the continental drift hypothesis and its transformation into theories of sea floor spreading and plate tectonics. 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. In 1960 harry hess hypothesis about seafloor spreading was a key component of the plate tectonics revolution.

The older rock is close to 400 million years. In the mid 1900s scientists mapped the mid ocean ridges using sonar. Sea floor spreading the longest chain of mountains in the world is the system of mid ocean ridges. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge.

Sea floor spreading entire lesson pdf version. 2 describe the process shown occurring at b and explain what results from this. This is a mid ocean ridge. Sonar is a device that bounces sound waves off underwater objects and then records the echoes of these sound waves.

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. Sea floor spreading worksheet use the figure above to answer the following questions. This coloring sheet visu. The regions that hold the unique record of earth s magnetic field lie along the mid ocean ridges where the sea floor is spreading.

The student s can also demonstrate seafloor spreading rate in the classroom. 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. Strong evidence of seafloor spreading and plate tectonics. Sea floor spreading answer key.

3 what happens to old oceanic crust as new molten material rises from the mantle. Seafloor spreading dichotomous key handwriting practice worksheets electromagnetic spectrum sea floor printable math worksheets earth and space science plate tectonics science classroom. 20 luxe sea floor spreading activity. Displaying top 8 worksheets found for activity seafloor spreading.

Sea floor spreading worksheet pdf. Seafloor spreading is happening at b. 1 what feature of the ocean floor is shown at a. With one student representing a continent such as south america and another representing africa they can start out standing close together.