Chapter 14 Flashcards
absolute zero
the temperature at which no more energy can be removed from matter
Celsius scale
The temperature scale on which water freezes at 0 degrees and boils at 100 degrees
Fahrenheit scale
The temperature scale on which water freezes at 32 degrees and boils at 212 degrees.
Kelvin scale
The temperature scale on which zero is the temperature at which no more energy can be removed from matter
heat
Thermal energy that is transferred from matter at a higher temperature to matter at a lower temperature
conduction
The transfer of heat from one particle of matter to another
convection
The transfer of heat by the movement of currents within a fluid
convection current
A current caused by the rising of heated fluid and sinking of cooled fluid
conductor
A material that conducts heat well
insulator
A material that does not conduct heat well
change of state
The physical change of matter from one state to another
heat engine
A device that converts thermal energy into mechanical energy
external combustion engine
An engine powered by fuel burned outside the engine
internal combustion engine
An engine that burns fuel inside cylinders within the engine