Sea Floor Spreading Worksheet Pdf

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. This creates new ocean crust. The reinforcement worksheets are designed to focus primarily on science content and less on vocabulary although knowledge of the section vocabulary supports understanding of. Sea floor spreading the longest chain of mountains in the world is the system of mid ocean ridges. 2 describe the process shown occurring at b and explain what results from this.

The regions that hold the unique record of earth s magnetic field lie along the mid ocean ridges where the sea floor is spreading. 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 the process that occurs at mid ocean ridges where new crust is formed through volcanic activity and then gradually moves away from the ridge. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary.

In the mid 1900s scientists mapped the mid ocean ridges using sonar. Sea floor spreading answer key. Seafloor spreading dichotomous key handwriting practice worksheets electromagnetic spectrum sea floor printable math worksheets earth and space science plate tectonics science classroom. 1 what feature of the ocean floor is shown at a.

Sea floor spreading worksheet use the figure above to answer the following questions. 3 what happens to old oceanic crust as new molten material rises from the mantle. Paleomagnetism led the revival of the continental drift hypothesis and its transformation into theories of sea floor spreading and plate tectonics. Strong evidence of seafloor spreading and plate tectonics.

In 1960 harry hess hypothesis about seafloor spreading was a key component of the plate tectonics revolution. 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 worksheet is often used in geography worksheets worksheets practice sheets amp. This is a mid ocean ridge.

20 luxe sea floor spreading activity. This coloring sheet visu. These worksheets provide an additional resource for reviewing the con cepts of the chapter. There is one worksheet for each section or lesson of the chapter.

Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge. Homework sheets and education. Download fill in and print sea floor spreading worksheet pdf online here for free. Displaying top 8 worksheets found for activity seafloor spreading.

Seafloor spreading is happening at b.