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The process by which heat moves through air or liquid is called:
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20. Heat and Temperature
Heat Transfer
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In conduction, things must for heat to transfer using this type of transfer.
A
be in direct contact
B
be at the same temperature
C
be moving rapidly
D
be separated by a vacuum
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Understand that conduction is a mode of heat transfer that occurs through direct contact between materials.
Recall that for conduction to happen, heat energy is transferred by the vibration and collision of particles within a material or between materials in contact.
Recognize that if two objects are not touching, conduction cannot occur because there is no medium for the particles to interact.
Therefore, the key requirement for conduction is that the objects or materials must be in direct contact.
Summarize that conduction requires direct contact between objects for heat to transfer, unlike radiation which can occur through a vacuum.
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