Mr. Biando's Lab - Plate Tectonic Theory
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| Plate Tectonic | The theory that explains how large pieces of the Earth's outermost layer, called tectonic plates, move and change shape.
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| Convergent Boundary | The boundary formed by the collision of two lithospheric plates.
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| Divergent Boundary | The boundary between two tectonic plates that are moving away from each other.
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| Transform Boundary | The boundary between tectonic plates that are sliding past each other horizontally.
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| Continental-Oceanic Collision | When a plate with oceanic crust collides with a plate of continental crust, the denser oceanic crust sinks into the asthenosphere.
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| Subduction Zone | The area where the oceanic crust sinks down into the asthenosphere and melts.
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| Oceanic-Oceanic Collision | When two plates of oceanic crust collide with one sinking below the other into the aesthenosphere.
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| Continental-continental Collision | When two tectonic plates with continental crust collide, they buckle and thicken, which pushes the crusts upward forming mountain chains.
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| Mid-Ocean Ridge | An example of an underwater divergent boundary.
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| Fault | An example of a transform boundary.
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| Ridge push | The movement of the lithosphere sliding downhill caused by the pulling force of gravity.
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| Convection | Hot rock deep within the Earth causes the oceanic lithosphere to move sideways away from the mid-ocean ridge.
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| Slab pull | When the denser, heavier oceanic lithosphere sinks and pulls the rest of the tectonic plate with it.
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| Continental drift | A hypothesis that earths continents move on earths surface
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| rift | are deep valleys at the center of a mid ocean ridge.
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| subduction boundary | boundary between the plates
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| deep sea trench | is a long deep trench. deepest part of the ocean floor.
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| collision boundary | boundary that forms when two continents collide and are welded intoa single,larger continent
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| mantle convection | heat from earths inner and outer cores is transferred throughtha mantle by a process.
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| pangaea | giant landmass
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| craton | core of each continent is an expanse of ancient rock.
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| terrane | large block of lithospheric plate that has been moved, often over a distance of 1000 of kilometers, and attached to the edge of a continent.
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Or sort by any of the columns using the down arrow next to any column heading.
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