What are the three modes of heat transfer?
Conduction, Convection, & Radiation

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Science
•
8th - 9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Conduction, Convection, and Radiation.
2.
FLASHCARD QUESTION
Front
What is conduction?
Back
Conduction is the transfer of heat through a material without the movement of the material itself, typically occurring in solids.
3.
FLASHCARD QUESTION
Front
What is convection?
Back
Convection is the transfer of heat through the movement of fluids (liquids and gases) caused by differences in temperature and density.
4.
FLASHCARD QUESTION
Front
What is radiation?
Back
Radiation is the transfer of heat in the form of electromagnetic waves, such as infrared radiation, and does not require a medium.
5.
FLASHCARD QUESTION
Front
How does convection occur in a boiling pot of water?
Back
In a boiling pot of water, hot water at the bottom expands, becomes less dense, and rises, while cooler water descends, creating a convection current.
6.
FLASHCARD QUESTION
Front
What happens to air when it is heated?
Back
When air is heated, it expands, becomes less dense, and rises.
7.
FLASHCARD QUESTION
Front
What is the role of density in convection?
Back
Density differences drive convection currents; warmer, less dense fluid rises while cooler, denser fluid sinks.
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