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chapter 4 Plate Tectonics
section 2 Convection Currents and the mantle
6
Science
Not Applicable
09/17/2005

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Term
heat transfer
Definition
The movement of energy from a warmer object to a cooler object.
Term
radiation
Definition
The direct transfer of energy through empty space by electromagnetic waves.
Term
conduction
Definition
The transfer of heat by from one substance to another by direct contact of particles of matter.
Term
convection
Definition
The transfer of heat by movements of a fluid.
Term
density
Definition
The amount of mass in a given space;mass per unit volume.
Term
convection current
Definition
The movement of a fluid, caused by differnces in temperature, that transfers heat from one part of the fluid to another
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