Term Definition
Continental drift The hypothesis that the continents once formed a single landmass
Sea floor spreading The process by which new oceanic lithosphere forms as magma rises toward the surface
Pangea A supercontinent
Plate tectonics The movement of the plates
Convergent boundary
The boundary formed by the collision of two lithospheric plates.
Divergent boundary The boundary between two tectonic plates that are moving away from each other
Transform boundary The boundary between tectonic plates that are sliding Past each other horizontally
Convenient currents suitable or agreeable to the needs or purpose; well-suited with respect to facility or ease in use; favorable, easy, or comfortable for use.
Wegener
The scientist that made the theory of plate tectonics
Hot sped A volcanically active area on earths surface far from a tectonic plate boundary
Volcano a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
Mid-ocean ridges A undersea mountain
Subduction Is when one plate goes under another
Vent An opening at the surface of the earth through which volcanic material passes
Plate tectonics

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Term Definition
Continental drift
Pangaea
Sea-floor spreading
Plate tectonics
Convergent boundary
Divergent boundary
Transform boundary
Convection currents
The process of Pangae breaking into the continents we know today.
The supercontinent that broke into the continents we know today.
Occurs at mid-ocean ridges where new oceanic crust is formed with volcanic activity.
Two boundaries come together.
Two boundaries move away from each other.
Two boundaries slide past each other.
Is the theory of the motion of the plates.
Plate Tectonics

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