Multiple Choice
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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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
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
Verified step by step guidance1
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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