polystyrene foam cups and composite Wood material like snake glass fiber etc
convection currents
Thermal conductivity is the ability of a material to carry energy in the form of heat. It is a measure of how well a material can conduct heat through its structure. Materials with high thermal conductivity can transfer heat more efficiently than materials with low thermal conductivity.
One example of a material that does not carry heat well is styrofoam. Styrofoam is a poor conductor of heat due to its low density and air pockets, which impede the transfer of heat energy. As a result, it is commonly used in insulation to prevent heat loss or gain in buildings and food packaging.
Thermal conductivity is the property that describes the ability of a material to carry energy. It is a measure of how well a material conducts heat. Materials with high thermal conductivity are good conductors of heat, while materials with low thermal conductivity are poor conductors of heat.
Conductors
The process by which heat flows in the iron rod is called conduction. This occurs as the vibrating molecules within the rod transfer thermal energy to neighboring molecules, causing them to also vibrate and carry the heat throughout the material.
Conductor
Conduction. This is the process by which heat is transferred through a material without the material itself moving.
The mass of material affects the amount of heat it can transfer because more mass typically means more particles available to carry heat energy. Therefore, a larger mass of material is generally able to transfer more heat compared to a smaller mass.
A material that allows heat and electricity to pass through easily is a conductor. Metals like copper and aluminum are common examples of good conductors due to their ability to carry electrical currents and transfer heat efficiently.
Gold is an excellent conductor of heat because its electrons are free to move easily and carry thermal energy throughout the material. When heat is applied to gold, these free electrons transfer the thermal energy from one part of the material to another quickly, resulting in efficient heat conduction.
The smart material that changes color in response to heat is called thermochromic material. It works by changing its molecular structure when exposed to heat, causing a shift in the wavelengths of light reflected and perceived as a change in color.