Sea Floor Spreading Worksheet Pdf

Strong evidence of seafloor spreading and plate tectonics.

Sea floor spreading worksheet pdf. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge. Sea floor spreading worksheet is often used in geography worksheets worksheets practice sheets amp. In 1960 harry hess hypothesis about seafloor spreading was a key component of the plate tectonics revolution. Seafloor spreading dichotomous key handwriting practice worksheets electromagnetic spectrum sea floor printable math worksheets earth and space science plate tectonics science classroom.

3 what happens to old oceanic crust as new molten material rises from the mantle. Ngss ms ess2 1 ms ess2 2the worksheet walks students through color coding a diagram of the seafloor and mid atlantic ridge then measuring how far each band of seafloor is from the r. 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 worksheet use the figure above to answer the following questions.

This coloring sheet visu. 20 luxe sea floor spreading activity. Nails home evidence that the sea floor near the mid atlantic ridge is newer than the seafloor near the continents. 2 describe the process shown occurring at b and explain what results from this.

This creates new ocean crust. Homework sheets and education. This is a mid ocean ridge. In the mid 1900s scientists mapped the mid ocean ridges using sonar.

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 answer key. 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 the longest chain of mountains in the world is the system of mid ocean ridges.

The regions that hold the unique record of earth s magnetic field lie along the mid ocean ridges where the sea floor is spreading. 1 what feature of the ocean floor is shown at a. Sea floor spreading entire lesson pdf version. Sea floor spreading worksheet pdf.

Additionally if you would like all of the resources together in a pdf document that can be accessed as a complete resource here. Paleomagnetism led the revival of the continental drift hypothesis and its transformation into theories of sea floor spreading and plate tectonics. Download fill in and print sea floor spreading worksheet pdf online here for free. Sonar is a device that bounces sound waves off underwater objects and then records the echoes of these sound waves.