4. HEAT FLOW

9. Heat can be transferred by three processes: conduction, convection, and radiation. Conduction is the transfer of heat along a solid object. Convection transfers heat through the exchange of hot and cold molecules. Radiation is the transfer of heat via electromagnetic (usually infrared) radiation.

10. Stone Mercury Iron Wood Glass Gold Cloth

14. Convection If you look closely, what will you observe? menu

15. Radiation Radiation is the process of transferring heat through a vacuum (without medium) menu

16. Heat flow Conduction Convection Radiation Solid Vacuum Liquid Gaseous Conductor Insulator