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Heating by conduction takes place when two objects are touching, and heat flows from the hotter object to the cooler object. Heating by convection takes place when a hotter substance (such as air) expands and becomes less dense than the surrounding cooler substance, and therefore rises; the rising hot substance can then come into contact with something and heat it. Heating by radiation takes place by means of various types of electromagnetic radiation which transfer energy and can heat things up; sunlight is an example, which warms things up, or a microwave oven which is designed to rapidly heat water or anything that contains water.
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What do conduction and convection use that radiation does not?
Conduction and convection use matter (such as solids, liquids, or gases) to transfer heat, while radiation does not require matter and can transfer heat through electromagnetic waves.
Why does the energy from the sun travel to Earth by radiation instead of by convection or conduction?
Energy from the sun travels to Earth by radiation because space is a vacuum and there is no medium for convection or conduction to occur. Radiation is the most efficient way for heat to transfer through the vacuum of space.
What are three forms of energy transfer?
Conduction, convection and radiation. Conduction is when heat is transferred directly between materials. convection occurs when heated materials move from one place to another heating matter along the way. Radiation is when waves of heat move through space.
Wich types of heat transfer take place only in matter?
Conduction and convection are types of heat transfer that occur only in matter. Conduction is the transfer of heat through direct contact between particles, while convection involves the movement of heated matter, such as air or water, transferring heat from one place to another. Radiation, on the other hand, can occur in a vacuum because it does not need a medium to transfer heat.
What is required for conduction and convection but not radiation?
Material medium is required for conduction and convection to transfer heat, but it is not necessary for radiation. Conduction involves the transfer of heat through direct contact between materials, while convection involves heat transfer through the movement of fluids. Radiation, on the other hand, can occur in a vacuum because it involves electromagnetic waves.
What does conduction and convection uses that radiation does not?
Matter.
What do conduction and convection use that radiation does not?
Conduction and convection use matter (such as solids, liquids, or gases) to transfer heat, while radiation does not require matter and can transfer heat through electromagnetic waves.
Why does the energy from the sun travel to Earth by radiation instead of by convection or conduction.?
Convection and conduction require matter to travel through, and there is no matter between Earth and the Sun
Does radiation require movement of matter?
no it doesn't, only conduction and convection
Why earth is heated by the sun through radiation and not by convection or conduction?
Earth is heated by the sun through radiation because space is a vacuum and therefore does not contain matter to carry heat through conduction or convection. Radiation is the transfer of heat energy in the form of electromagnetic waves, making it the primary method of heat transfer from the sun to the Earth.
Why does the energy from the sun travel to Earth by radiation instead of by convection or conduction?
Energy from the sun travels to Earth by radiation because space is a vacuum and there is no medium for convection or conduction to occur. Radiation is the most efficient way for heat to transfer through the vacuum of space.
What important ability or property does electromagnetic radiation have that other energy transport processes such as conduction and convection do not?
Electromagnetic radiation can travel through a vacuum (like the vacuum of space), while conduction and convection require matter to do their thing.
Do conduction convection and radiation all use matter?
Yes. Conduction must be a transfer of heat energy throughout a substance. Convection must be the circular movement of matter to move heat throughout. Radiation does not contain mass, but the radiation (i.e. photons) is still matter. Also, to create radiation, it requires matter. For more information on these three topics, check out the related questions list.
What is Convection and conduction and radiation?
Conduction:- Conduction is the transfer heat from a hotter to a colder body by vibrating. Convection:- Is the main heat transfer mechanism in fluids. Radiation:- Radiation is the process of particles transferring heat through matter or space.
What are three forms of energy transfer?
Conduction, convection and radiation. Conduction is when heat is transferred directly between materials. convection occurs when heated materials move from one place to another heating matter along the way. Radiation is when waves of heat move through space.
Wich types of heat transfer take place only in matter?
Conduction and convection are types of heat transfer that occur only in matter. Conduction is the transfer of heat through direct contact between particles, while convection involves the movement of heated matter, such as air or water, transferring heat from one place to another. Radiation, on the other hand, can occur in a vacuum because it does not need a medium to transfer heat.
What is required for conduction and convection but not radiation?
Material medium is required for conduction and convection to transfer heat, but it is not necessary for radiation. Conduction involves the transfer of heat through direct contact between materials, while convection involves heat transfer through the movement of fluids. Radiation, on the other hand, can occur in a vacuum because it involves electromagnetic waves.
