The Principles of Heat, Light, & Sound
Heat
Heat is transferred three ways… Conduction Convection Radiation
Conduction is heat transferred by contact. Examples… Eggs and bacon cooking in frying pan. Running barefoot on hot asphalt.
Conduction is heat transferred by contact. Examples… Ice melting in your hand. Metal spoon in hot soup.
Eureka! – Conduction Heat Conduction Heat Transfer Song
Heat moves easily through conductors. Examples… Gold Aluminum Copper Bronze Iron Brass
What stops heat transfer? Insulators Examples… Air Rubber Styrofoam™
The second form of heat transfer is… Convection Hot rises, cold falls creating currents.
Examples of convection… Hot Air Balloon Home Heating Wind
Eureka! – Convection Heat Transfer – Convection Heat Transfer Convection II
The third form of heat transfer is… Radiation Radiation is heat as an electromagnetic wave. Radiation can travel thru space and our atmosphere.
The wave becomes heat when it hits an object. Examples of radiation… Sun Light Bulb Fire
Eureka! – Radiation Heat Transfer – Radiation