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Terms
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- continental drift
- the theroy that the continents move across the surface
- pangaea
- a very old super giant continent
- fossil
- trace of remains
- mid ocean ridge
- long chains of mountains that rise up from ocean floor
- deep ocean trench
- deep under water canyon
- sea floor spreading
- creation of new crust along the mid ocean ridge
- subduction
- process where ocean floor sinks into the mantle at a deep ocean trence
- plate
- a section on the surface
- transform boundary
- a plate boundary where two plates move past each other in opposite directions
- rift valley
- a deep valley that forms where two plates move apart
- divergent boundary
- a plate boundary where two plates move away from each other
- plate tectonics
- the theory that pieces of earths lithosphere are in constant motion driven by convection currents in the mantle
- fault
- a break in earths crust along which rocks move
- convergent boundary
- a plate boundary where two plates move toward each other
- Ryan
- burton