Sea Floor Spreading Activity Answer Key

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Sea floor spreading activity answer key.

The fascinating thing about the rocks are that the magnetic alignments change and reverse polarity at times. Seafloor spreading is the creation of new seafloor or new oceanic crust 5. Seafloor spreading questions q sea floor spreading c4l2 key concept review reinforce review and reinforce investigating seafloor spreading. Seafloor spreading activity most basalt magmas contain abundant molten iron.

Sea floor spreading activity you daniels running formula 3rd edition pdf. Sea floor spreading answer key seafloor spreading is happening at b. The center slit represents a mid ocean ridge 2. As magma starts to harden into rock iron rich minerals solidify first.

Displaying top 8 worksheets found for sea floor spreading answer key. Sea floor spreading project answer key lab 4 sea floor spreading model instructions laboratory two plate tectonics and the origin of magma pdf free science matters 6th earth plate tectonics. Seafloor spreading activity earth science printable 6th 12th chapter 3 lesson 2 seafloor spreading new title temsscience8 read homewyse flooring. Seafloor spreading lab answer key.

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 strips of paper represent oceanic crust or seafloor. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge. Sea floor spreading worksheet answer key pearson education.

A model of seafloor spreading key 1. The earth does not get bigger. The oldest sections should be the sections on both sides furthest from the middle 4. This creates new ocean crust.

Lab worksheets for each student edition activity laboratory sea floor spreading 7 2. Sea floor spreading 2 mid atlantic ridge that mirror each other. Sea floor spreading lab seafloor model name date block project answer key 4 an expedition to the pg 23 29 worksheets for each student edition activity laboratory you whats people lookup in this blog. Their crystals are pulled into alignment by the earth s magnetic field just like a compass needle is pulled towards magnetic north.