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HEAT TRANSFER - the transfer of thermal energy between substances due to a difference in their temperature
THERMAL ENERGY is the total of all the kinetic and potential energy of all the particles in a substance.
TEMPERATURE is a measurement of the average kinetic energy of the molecules in an object. It is measured with a thermometer. It is a measurement of the internal energy contained in an object.
As the temperature increases, so does thermal energy (because the kinetic energy of the particles increased).
The flow of thermal energy (HEAT) always flows from warmer to cooler objects Cup gets cooler while hand gets warmer Ice gets warmer while hand gets cooler
Questions 1. What is thermal energy? 2. How do you measure thermal energy? 3. What is heat? 4. How does thermal energy flow?
Insert video clip – conduction, convection & radiation
CONDUCTION is the transfer of heat through a material by direct contact.
CONVECTION is the transfer of heat in a fluid (gas or liquid) as a result of the movement of the fluid itself
RADIATION is the transfer of heat via electromagnetic waves through space
How Are They Alike? ConductionConvectionRadiation
How Are They Different? ConductionConvectionRadiation
Conduction, Convection, or Radiation? The spoon is too hot to touch after sitting in the hot soup.
Conduction, Convection, or Radiation? The moon’s surface becomes hot.
Conduction, Convection, or Radiation? Your feet hurt after walking barefoot across the beach
Conduction, Convection, or Radiation? Bacon cooks in the frying pan
Conduction, Convection, or Radiation? The room becomes warm when the furnace is turned on
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2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Why are you So Heated Stick a Fork.
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1 Temperature and Heat Temperature is the measurement of the avg. KE of the molecules in a material. Heat is the transfer of KE from one material to.
Energy the ability to do work or to change something used whenever the location, makeup or look of something changes.
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