You receive heat from a bonfire by_1) conduction 2) convection 3) radi

1.	You receive heat from a bonfire by_1) conduction 2) convection 3) radiation 4) light
Answer» When you SIT by a campfire, most of the heat you are receiving from the FIRE does not come from hot air. It comes from thermal radiation.Generally, there are three WAYS that heat can travel: radiation, conduction, and convection. Thermal radiation consists of electromagnetic waves (mostly infrared waves and visible light) emitted by an object due to its temperature. This radiation carries energy which is converted to heat when it hits another object and is absorbed. In contrast, conduction involves the direct MOVEMENT of heat through an object. Since air is a good thermal INSULATOR, conduction is the least effective way for heat to travel through air. Lastly, convection involves the bulk movement of pockets of heated fluid. In convection, a pocket of fluid such as air or water gets heated and then moved somewhere else by fluid currents.

Discussion