1.3 notes  There are 3 types of heat transfer: radiation, conduction, and convection.  The transfer of energy through space is radiation. Sunlight.

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Presentation transcript:

1.3 notes

 There are 3 types of heat transfer: radiation, conduction, and convection.  The transfer of energy through space is radiation. Sunlight is radiation that warms Earth’s surface.  Heat transfer within a material or between materials that are touching is conduction.  Heat that is transferred by the movement of fluids is convection.

 A convection current is the flow that transfers heat within a fluid.  Heating and cooling of a fluid, changes in the fluid’s density, and the force of gravity combine to set convection currents in motion.  Heat from the core and the mantle causes convection currents in the mantle.