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Transcript
Name: ___________________________ Period: _____ Test Date: 4/5/17 Plate Tectonics Review Diagram Type of Boundary Motion at Boundary Land Feature(s) Formed Divergent dividing Rift valley Mid-ocean ridge Convergent colliding trenches Subduction Volcanic islands colliding trenches Subduction Volcanic mountains Convergent Colliding Folded mountains Continental continental Folding Transform Sliding Oceanic - oceanic Convergent Oceanic continental Shearing faults ______Normal________ Fault _____Tension_________ Force ______Divergent______ Boundary _____Reverse_________ Fault _____Compression_____ Force _____Convergent_____ Boundary ____Strike-Slip________ Fault ____Shearing_________ Force _____Transform______ Boundary Evidence for Continental Drift – fossils climate rocks What causes the plates to move? Convection currents What is sea-floor spreading? The process by which molten material adds new oceanic crust to the ocean floor ____Oceanic____ crust subducts under ______Continental______ crust because it is more dense. How are depth in the earth and density of earth’s layers related? As you go deeper into the Earth the layers’ density increases. (as depth increases than density increases)
