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Answer :
Answer:
Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas. Radiation is the transfer of thermal energy through thermal emission.
Explanation:
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Final answer:
Conduction is the process of heat transfer through direct contact, convection is the movement of heat by fluid motion, and radiation is the emission of energy as electromagnetic waves.
Explanation:
Conduction, convection, and radiation are the three methods through which heat can be transferred.
Conduction
Conduction is the transfer of heat through direct contact between materials. One of the classic examples of conduction is when heat is passed from the burner of a stove to a pan, and then to the food inside the pan. The materials have to be in physical contact, as heat is transferred through the collision of particles.
Convection
Convection involves the transfer of heat by the movement of fluids (liquids or gases). This can happen naturally due to the tendency of warmer, and therefore less dense, fluid to rise, while cooler, denser fluid sinks. Convection is crucial in various natural processes, including atmospheric dynamics and ocean currents.
Radiation
Radiation refers to the transfer of heat in the form of electromagnetic waves. This process does not require a medium, hence it happens even in the vacuum of space. Heat from the sun reaches the Earth through radiation, and we can feel the warmth of a fire from a distance because of this mode of heat transfer.
