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9 Cards in this Set

  • Front
  • Back

CONTINENTAL DRIFT

continental drift is the movement of the earths plates

OCEAN TRENCH

a ocean trench is a deep trench in the ocean floor


(it is much deeper then the rest of the ocean floor)

PLATE TECTONICS

the theory that the earths crust is cracked into many large pieces that move on the asthenosphere

SEAFLOOR SPREADING

The process of the new crust forming at the ocean ridges and spreading outwards.

SUBDUCTION

Where the crust is sinking down into the earth

CONVECTION

the movement of magma

CONTINENTAL CRUST

the crust that forms the continents

CONVERGING BOUNDARY

where the plates are colliding

DIVERGING BOUNDARY

where the plates are moving apart