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chapter 4 nd studies

6th grade social studies

QuestionAnswer
partly melted part of the mantle that bends when heated asthenosphere
How many tectonic plates does Earth have? 15
Where do plates move? boundaries
Plates move away divergent
Plates move toward convergent
one plate slips underneath subduction
plates slide past each other transform
circulation of earth's fluids convection
causes plate movement convection
vibration of Earth earthquake
caused by rupture or movement of rocks below the surface earthquake
cause mountains and valleys earthquake
form at convergent plate boundaries volcanoes
forms at divergent plate boundaries new ocean crust
process of breaking down rock but it does nothing else to the rock physical weathering
process of changing the composition of the rock--like acid burning the rock chemical weathering
Created by: gerhagar
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