As upwelling of magma continues the plates continue to diverge a process known as seafloor spreading.
Plate tectonics lab examining the ocean floor answers.
Name class date chapter 9 plate tectonics exploration lab paleomagnetism and the ocean floor when wegener proposed his hypothesis of continental drift little was known about the ocean floor.
What lies directly beneath the crust.
You will also expand your skills in map reading and interpretation building on what you did in the maps charts lab.
He thought that the continents plowed through the ocean floor like icebreaking ships plowing through ice.
Chapter 2 the way earth works examining plate tectonics.
Of sea floor spreading and plate tectonics the regions that hold the unique record of earths magnetic field lie along the mid ocean ridges where the sea floor is spreading start studying sea floor spreading.
Go further magnetic polarity record pacific ocean ridge crest ocean floor crust south atlantic ocean fed c b a 39 km 2 million years north atlantic ocean 0 20 40 km scale answers to procedure questions 1.
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.
How many large plates form the outer shell of the earth.
For other divergent plate boundaries on earth.
Where is the fastest spreading rate.
Plate tectonics the theory that the earth s lithosphere consists of large rigid plates that move horizontally in response to the low of the asthenosphere beneath them and that interactions among the plates at their borders cause most major geologic activity including the creation of oceans continents mountains volcanoes and earthquakes.
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This occurs very slowly and creates about 3.
Plate tectonics and earth s interior the age of the crust 10.
Whats people lookup in this blog.
They are pushed apart by magma or melted rock frombeneaththeearth ssurfac e rising up and cooling.
Paleomagnetism and the ocean floor lab answers sea floor spreading homework modelling the ocean.
What happened to the ocean crust that made up the ocean seafloor 4 000 million 4 billion years ago 9 lab 1.
Plate tectonics plate tectonics seafloor spreading.
Sea floor spreading project answer key lab 4 sea floor spreading lab sea floor spreading project answer key lab 4 seafloor spreading.
These age data also allow the rate of seafloor spreading to be.
Plate tectonics sea floor geography lab in this lab you will explore how the movements of the earth s tectonic plates relate to earthquakes volcanoes and the major geographic features of the ocean floor.
The upper mantle and crust make up what major tectonic feature of our planet.
Solved lab 2 plate tectonics and ocean geography oce 30.
Continental crust is much farther from divergent plate boundaries than is oceanic crust.
The slowest spreading rate.
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Plate tectonics practice questions and answers revised august 2007 1.
When the magma pushes up to the surface and cools it creates new land.
