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Cards In This Set
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Where are the youngest rocks on the ocean floor found?
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Mid-ocean ridge
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What layer do the crust and upper mantle make up?
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Lithosphere
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What rates of distance do the tectonic plates move?
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1cm 10 12 cm per year
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What do the plates of the lithosphere float on?
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Asthenosphere
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Where can the results of plate movement be seen?
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Plate boundaries
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What mountains formed by the collision of the Indo-Australian plate and the Eurasian Plate?
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Himalayas
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Plates move apart at _______ boundaries
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Divergent
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The alignment of iron minerals in rocks when they formed reflects the fact that earth's _______ _____ has reversed itself several times it the past
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Magnetic field
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A lack of explanation for continental drift prevented many scientists from accepting that a single supercontinent called _____ once existed
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Pangae
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What did the Glomar Challenger provide to support the theory of plate tectonics?
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By providing samples of older rock found far from mid- ocean ridges
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What is the hypothesis that states the continents have slowly moved to their current locations?
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Continental drift
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Plates slide past one another at ________ boundaries.
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Transform
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What is the boundary between two plates moving together called?
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Convergent boundary
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What cause seafloor spreading to occur?
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Continental Drift/ Plate Tectonics
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While studying the ocean floor, scientists found ____ bands of magnetism
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Paired
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