4 2 name key lab day time pre lab questions complete these questions before coming to lab.
Sea floor spreading lab discussion questions.
Write a brief statement that describes each of the following ocean floor features.
Discussion questions part 1.
A 3 inches b 30 meters c 30 inches d 3 cm e 30 cm.
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Visualize the continents moving apart as the sea floor spreads.
Lab 2 key marine maps and charts.
Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean r.
The following link shows images of the sea floor spreading as well as support materials for plate tectonics study.
According to the theory of plate tectonics from the greek tekto builder the earth s crust is broken into many slowly moving plates.
Determine the rate of sea floor spreading that occurs along a mid ocean ridge by using paleomagnetic evidence and determine age of ocean basin.
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.
As the ocean seafloor spreads the newly formed floor will adapt a specific magnetic signature according to the earth s magnetic pole at that time.
Sea floor spreading lab quiz study questions with answers how is the mid seafloor spreading model name date block seafloor spreading.
Sea floor spreading.
This process that creates new ocean floor from diverging plates is sea floor spreading.
Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor.
It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary.
Sea floor spreading and plate tectonics why this lab is important.
The rate of seafloor spreading is approximately every 10 years.
The frosting represents magma.
Sea floor spreading earth science post module 2 middle school page 3.
The purpose of this exercise is to supplement some of the plate tectonics topics you ve worked on during lecture in a relatively short lab.
Sea floor spreading occurs at the mid ocean ridge where two plates are moving away from each other.
Seafloor spreading is happening at b.
Graham crackers represent the plates.
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Here magma rises up from.
Discussion questions part 2.
A ridge is created.
Namely you re going to focus on how the layers of the earth are similar to and different from each other and some of the lines of evidence that.
A specific location for this kind of boundary is north america and eurasian.
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As years pass lateral segments of seafloor will thus share the same.
