Temperature scales
In the United States, this scale is the most commonly used
What is Fahrenheit scale?
Thermal energy that is transferred from matter at a higher temperature to matter of a lower temperature
What is heat?
Particles that are packed together in fixed positions
What is a solid?
The transformation of thermal energy to mechanical energy requires a device known as
What is a heat engine?
The scale most commonly used in physical science
What is Kelvin scale?
The amount of energy required to raise the temperature of 1 kg of material by 1 Kelvin
What is specific heat?
The process by which matter will change from one state to another when _______ is absorbed or released
What is thermal energy?
The act of particles spreading out as thermal energy of a matter increases
What is thermal expansion?
Zero on the Kelvin scale represents -273*C
What is absolute zero?
Convection, conduction, and radiation
What are the methods of heat transfer?
Vaporization takes place at the surface of water
What is evaporation?
A substance that absorbs or releases heat in a refrigerator
What is a refrigerant?
273K on the Kelvin scale
What is the freezing point of water in Kelvin scale?
True or False: heat will move from cold to hot
False
A change from gas state to liquid
What is condensation?
Engines that burn fuel outside the engine of a boiler
What is external combustion engine?
The measure of average KE of the individual particles in matter
What is temperature?
A material that does not conduct heat well
What is an insulator?
True or False: during a change in state, the thermal energy of matter increases while the temperature remains the same
True
Engines that burn fuel in cylinders inside an engine
What is internal combustion engine?