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Plate tectonics

QuestionAnswer
All the continents were once part of a super continent Pangaea
Continents are in consistent motion on the earths surface Continental Drift
Mountain ranges in the middle of the Oceans Mid-Ocean ridges
Process by which new crust moves away from the ridge Seafloor spreading
State in which magnetized objects, such as compass needles, will orient themselves to pint North Normal polarity
Occurs in the Magnetic field reverses direction Magnetic Reversal
State in which magnetized objects would reverse direction and orient themselves to point South Reversed polarity
States that Earth's surface is made of rigid slabs of rock, or plates, that move with respect to each other Plate Tectonics
Cold and rigid outermost rock layer Lithosphere
Forms where two plates separate Divergent plate boundary
Forms where two plates slide past each other Transform plate boundary
Form where two plates collide Divergent plate boundaries
Denser plate sinks below the more buoyant plate in a process Subduction
Circulation of material caused by differences in temperature and density Convection
Moves the Lithosphere in opposite directions away from the mid-ocean ridge Ridge push
As a slab sinks, it pulls on the rest of the plate with a force Slab pull
Created by: MMora!
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