Term Definition
Continental Drift
Pangea Super continent
Sea floor spreading
Plate tectonics
Convergent boundary
Divergent boundary
Transform boundary
Convention current
The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their current location
The process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies
The theory that explains how large pieces of Eartha??s outermost layer, called tectonic plates, move and change shape
The boundary formed by the collision of two lithospheric plates
The boundary between two tectonic plates that are moving away from each other
The boundary between tectonic plates that are sliding past each other horizontally
Convection current The changing in density in circular motions that move the tectonic plates
Wegener
One scientist who looked at pieces of this puzzle was Wegener
Hot spot 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 that flows out lava
Mid ocean ridges An under sea 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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