Pearl

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sunflower 

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My favourite 😊

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Revision: Heat Transfer

3 methods:

Conduction - Transfer of heat energy through material by contact between moving molecules.

Convection - Involves physical movement of materials (occurs only in liquids & gases, not solids).

Radiation - Objects at temperature greater than zero degrees kelvin (0K) will radiate electromagnetic energy. Radiated heat energy is transferred from one body to another without contact or circulating medium. 

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BMW F82 M4 | via

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