Definitions
Fill In The Blank
Boundaries
100
a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates which move slowly over the underlying mantle.


Plate tectonics 

100

When the supercontinent ______ was drifted apart by _______

Pangea, Continental Drift 

100

Which plate boundary collides And one plate goes under the other?

Convergent Plate Boundary

200

a long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwelling of magma associated with seafloor spreading. An example is the Mid-Atlantic Ridge

Mid - Ocean Ridge

200

When Large slabs of ________split apart from each other it causes __________.

Lithosphere, Sea-floor spreading

200

which plate boundary slides past one another?

Transform Plate Boundary

300

the magnetic minerals in the rock having the same polarity as the Earth's present magnetic field

Normal Polarity

300

When there is a mid-ocean ridge occurring the two processes are ______ and _____

Ridge Push, Slab Pull

300

which plate boundary separates from each other?

Divergent Plate Boundary

400

the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.

Convection
400

_______ occurs when the North pole is transformed into a South pole and the South pole becomes a North pole 

Magnetic Reversal

500

when the hot and neutral wires on a receptacle/outlet are wired backwards.

Reversed Polarity

500

_____ happens when an oceanic plate runs into a continental plate and slides beneath it. 

Subduction

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