This heat transfer can take place in a number of ways: Conduction is when heat flows through a heated solid through a heat current moving through the material. ... Convection is when heated particles transfer heat to another substance, such as cooking something in boiling water. Radiation is when heat is transferred through electromagnetic waves, such as from the sun. ...Can heat can be transferred by only by radiation?
Heat can be transmitted through empty space by thermal radiation often called infrared radiation. This is a type electromagnetic radiation . No mass is exchanged and no medium is required in the process of radiation.