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What is the transfer of heat by the movement of molecules which carry the heat?
Conduction.
The transfer of heat by the movement of molecules which carry the heat is called?
CONVECTION
What 2 processes transport Earths energy surpluses poleward from the tropics?
Wind and water. Air currents (wind) carry heat poleward. This is mainly heat transfer by convection. Water currents carry heat poleward. This is heat transfer by convection and conduction.
What is the transfer of heat energy through empty space called?
The transfer of heat energy through empty space is called radiation.
What is the energy transfer process that does not require the presence of molecules to transfer heat?
Radiation is the energy transfer process that does not require the presence of molecules to transfer heat. It can occur through empty space and does not require a medium to carry the heat. Examples include heat transfer from the sun to the Earth and infrared radiation emitted by objects.
What is heat transfer resulting from rising particles in heated matter?
This is known as convection heat transfer. As particles in a heated substance rise, they carry heat energy with them, causing cooler particles to move in to take their place. This circulation creates a transfer of heat throughout the substance.
How do conductors and insulators transfer heat?
Conductors transfer heat through the movement of free electrons that can carry thermal energy efficiently. Insulators are poor conductors because they lack free electrons for heat transfer, so they rely on slower processes like molecular vibration and collisions for heat transfer to occur.
What is the movement of heat without matter to carry it is called what?
The movement of heat without matter to carry it is called radiation. Radiation is the transfer of heat energy in the form of electromagnetic waves, such as infrared radiation from the sun to Earth.
What direction does convection heat transfer move?
Convection heat transfer moves from regions of higher temperature to regions of lower temperature. This occurs through the motion of fluids, such as air or water, which carry heat energy with them as they circulate.
Transfer of heat through open space?
The transfer of heat through open space without the use of any medium is called radiation. Radiant heat travels in electromagnetic waves and does not require a medium to carry it. Examples include the heat we feel from the sun or a fireplace.
How to reduce the heat transfer rate?
To reduce heat transfer rate, you can add insulation to the object to slow down the flow of heat through conduction. You can also create a barrier such as shade or reflective surface to reduce heat transfer through radiation. Increasing airflow around the object can also help carry heat away more efficiently, decreasing the overall heat transfer rate.
Why does heat transfer through metal faster than wood?
Metals have free-flowing electrons that can easily carry and transfer heat energy through the material. In contrast, wood is an insulator and its molecular structure hinders the flow of heat, leading to slower heat transfer. Additionally, metals have higher thermal conductivity compared to wood, allowing them to transfer heat more efficiently.
