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PLATE TECHTONICS

Is the process which earths outer shell splits into several parts

CONVECTION CURRENTS

A current in a fluid that result from convection.

SLAB PULL

Slab pull is the portion of motion of a tectonic plate that can be accounted for by its subduction. Plate motion is partly driven by the weight of cold, dense plates sinking into the mantle at trenches.

RIDGE PUSH

Is the process where new crush pushes out new crust.

DIVERGENT PLATE BOUNDARY

a divergent boundary or divergent plate boundary (also known as a constructive boundary or an extensional boundary) is a linear feature that exists between two tectonic plates that are moving away.

6

  • On land divergent plate boundaries form rift valleys
Photo by Etrusia UK

Question 7

In the ocean divergent plate boundaries form rift valleys.

SUBDUCTION ZONE

a divergent boundary or divergent plate boundary (also known as a constructive boundary or an extensional boundary) is a linear feature that exists between two tectonic plates that are moving away f

DEEP OCEAN TRENCH

A long narrow steep sided depression in the ocean bottom

Transform plate boundary

Places where plates slide past each other are called transform boundaries. Since the plates on either side of a transform boundary are merely sliding past each other and not tearing or crunching each other, transform

QUESTIONS 15 AND 16

  • When plates move along transform boundaries it causes
  • An example of a transform boundary is

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