The presence of these rocks supports the theory of sea floor spreading.
Sea floor spreading worksheet.
The ocean floor does not just keep spreading.
Chapter 7 resource plate tectonics.
The old crust gets pushed to the.
The final proof of sea floor spreading came from rock samples obtained by drilling into the ocean floor.
Displaying top 8 worksheets found for activity seafloor spreading.
Such rocks can form only if molten material hardens quickly after erupting under water.
Scientists found that the farther from a ridge the rocks were taken the older they were.
9 2 seafloor spreading worksheet answers.
Seafloor spreading worksheets reviewed by teachers pdf recognizing detachment mode seafloor spreading in the deep pdf teacher s toolkit using the five practices to facilitate a laboratory two plate tectonics and the origin of magma pdf free ppt chem 108 lab week 9 powerpoint presentation free sea floor spreading lab seafloor spreading model.
Scientists have found strange rocks shaped like pillows in the central valley of mid ocean ridges.
Students will observe seafloor spreading in the classroom through a paper towel spreading center demonstration illustrating the relative motion of the plates.
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Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge.
Sea floor spreading worksheet answers pearson education.
Showing top 8 worksheets in the category seafloor spreading.
This creates new ocean crust.
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A worksheet will then test for understanding and introduce global earthquake distribution as an indicator of plate movements.
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Sea floor spreading continually adds new material to the ocean floor.
Instead it sinks beneath deep underwater canyons called deep ocean trenches.