Samples from the sea floor were brought up through pipes.
Complete the cycle diagram of sea floor spreading.
Draw a diagram of seafloor spreading.
The formation of the ice age glaciers.
This idea played a pivotal role in the development of the theory of plate tectonics which revolutionized geologic thought during the last quarter of the 20th century.
The purpose of these studies was to understand the topography of the sea floor to find hiding places for both allied and enemy submarines.
When the concept of seafloor spreading came along scientists recognized that it was the mechanism to explain how continents could move around earth s surface.
The mid atlantic ridge for instance separates the north american plate from the eurasian plate and the south american plate from the african plate the east pacific rise is a mid ocean ridge that runs through the eastern pacific ocean and separates the pacific plate from the north american.
How seafloor weathering drives the slow carbon cycle ch 2 plate tectonics and the ocean floor diagram quizlet sea floor spreading hypothesis dynamic earth lecture sea floor spreading.
These age data also allow the rate of seafloor spreading to be determined and they show that rates.
Drag the labels to their correct location on the diagram of the rock cycle.
How did drilling samples show that sea floor spreading really has taken place.
As upwelling of magma continues the plates continue to diverge a process known as seafloor spreading samples collected from the ocean floor show that the age of oceanic crust increases with distance from the spreading centre important evidence in favour of this process.
Start studying sea floor spreading 3 2.
Think pair share.
Like the scientists before us we will now merge the ideas of continental drift and seafloor spreading into the theory of plate tectonics.
Suggested time to complete this lesson is two 50 minute periods but may be adjusted for a longer class period.
Use blue labels to identify types of rock and pink labels to identify the processes that transform them.
Diagram of seafloor spreading.
Going to consider how we might make a model that would explain or demonstrate sea floor spreading.
Learn vocabulary terms and more with flashcards games and other study tools.
Process by which the ocean floor sinks beneath deep ocean trench and back into the mantle.
Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor.
Seafloor spreading theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them.
Sea floor spreading during world war ii geologists employed by the military carried out studies of the sea floor a part of the earth that had received little scientific study.
Include as much detail as you can.
