Vocab #9 Mr. Addeo

A plate boundary where two plates move toward each other. Convergent Boundary A plate boundary where two plates move toward each other.

A plate boundary where two plates move away from each other. Divergent Boundary A plate boundary where two plates move away from each other.

Transform Boundary A plate boundary where two plates move past each other in opposite directions.

Subduction The process in which one lithospheric plate slides under another at converging plate boundaries.

Deep Ocean Trench A deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle.