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Radiation is a method of heat transfer that does not rely upon any contact between the heat source and the heated object as is the case with conduction and convection. Heat can be transmitted through empty space by thermal radiation often called infrared radiation. This is a type electromagnetic radiation .
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ProfessorHeat is transmitted by radiation through electromagnetic waves that do not require a medium to travel. Objects with higher temperatures emit infrared radiation, which can be absorbed by other objects, causing their molecules to vibrate and increase in temperature. This process of radiation transfer of heat is how the sun heats the Earth and how heat lamps warm food.
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What three ways can heat be transmitted?
Heat can be transmitted through conduction, where it is transferred through direct contact between objects. It can also be transmitted through convection, where heat is carried through liquids or gases. Finally, heat can be transmitted through radiation, where energy is emitted as electromagnetic waves.
What type of heat transfer allows the Sun's heat to reach the Earth?
The Sun's heat reaches the Earth through radiation, which is a type of heat transfer where energy is transmitted in the form of electromagnetic waves.
Is heat from the sun transmitted to the earth by convection?
No, heat from the sun is transmitted to the Earth through radiation. Convection is the transfer of heat through the movement of fluids like air or water. In the case of the sun, the heat travels through the vacuum of space to reach the Earth.
What is an energy that travels by radiation?
Electromagnetic energy, such as light and heat, travels by radiation. Radiant energy can move through empty space and is transmitted by electromagnetic waves.
Which method of energy transfer is the only way that energy can be transmitted?
The only way energy can be transmitted is through radiation. Radiation is the transfer of energy through electromagnetic waves, such as light or heat, and does not require a medium to travel through like conduction or convection.
