the transfer of energy by electromagnetic waves
the direct transfer of heat from one substance to another substance that it is touching
the transfer of heat through a fluid (liquid or gas) caused by molecular motion
currents caused by more dense fluids sinking and less dense fluids rising
the movement of thermal energy from a substance at a higher temperature to one at a lower temperature
the total kinetic and potential energy of all the particles in a substance.
the average kinetic energy of the individual particles