Sea Floor Spreading Worksheet

Seafloor spreading is happening at b. In the mid 1900s scientists mapped the mid ocean ridges using sonar.

Sea Floor Spreading Worksheet Answer Key Pearson Education Cecll Org

There upwelling magma cools and crystallizes forming new igneous rocks along the edge of the plates.

Sea floor spreading worksheet. Sea floor spreading the longest chain of mountains in the world is the system of mid ocean ridges. In the plate tectonic model earths tectonic plates rift apart at oceanic spreading centers. You can read over the attached lesson first for some key.

This is a mid ocean ridge. Download fill in and print sea floor spreading worksheet pdf online here for free. Sea floor spreading answer key.

The presence of these rocks supports the theory of sea floor spreading. Showing top 8 worksheets in the category seafloor spreading. What is the evidence for sea floor spreading.

As seafloor spreading continues the new rocks move away from the spreading zone. Some of the worksheets displayed are sea floor spreading work inside earth work a model of seafloor spreading sea floor spreading name date sea floor spreading l 1 2 3 continental drift sea floor spreading and plate tectonics lab work plate tectonics magnetic reversals activity. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge.

Showing top 8 worksheets in the category seafloor spreading theory. You can use these assessment questions to test your understanding of sea floor spreading. Sea floor spreading key concepts what is the process of sea floor spreading.

The longest chain of mountains in the world is the system of mid ocean ridges. Sea floor spreading continually adds new material to the ocean floor. Such rocks can form only if molten material hardens quickly after erupting under water.

It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary. Some of the worksheets displayed are continental drift sea floor spreading and plate tectonics sea floor spreading work lab work plate tectonics a model of seafloor spreading sea floor spreading inside earth work plate tectonics. Sonar is a device that bounces sound waves off underwater objects and then records the echoes of these sound waves.

Sea floor spreading worksheet is often used in geography worksheets worksheets practice sheets homework sheets and education. 1 what feature of the ocean floor is shown at a. What happens at deep ocean trenches.

This creates new ocean crust. Scientists have found strange rocks shaped like pillows in the central valley of mid ocean ridges. In the mid 1900s scientists mapped the mid ocean ridges using sonar.

3 what happens to old oceanic crust as new molten material rises from the mantle. Here in geomapapp we analyze seafloor age data and calculate spreading. Sea floor spreading worksheet use the figure above to answer the following questions.

2 describe the process shown occurring at b and explain what results from this.