iotjlqwjo Flashcards
Law of Conservation of energy
Energy cannot be created or destroyed just transformed under normal conditions.
Heat
Thermal energy that flows due to a difference in temperature. heat flows from hot to cold.
Heat transfer
A method by which heat flows. conduction convection radiation.
conduction
Heat transfer within or between soild objects.
convection
heat transfer into or out of fluids.
Radiation
Heat transfer due to packets of energy called photons that can travel through many substances even empty space.
Insulator
A material through which energy electrical thermal or sound cannot be easily transferred.
Conductor
A material through which energy electrical thermal or sound can be transferred easily.
Temperature
The measure of the average speed of all particles.
Thermal energy
the total energy of all particles in an object.
