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physical science 16

TermDefinition
heat the transfer of the thermal energy from one object to another because of a temperature difference
temperature a measure of how hot or cold an object is compared to a reference point
absolute zero another reference point on the Kelvin scale
specific heat the amount of heat needed to raise temperature of a gram of a material by one degree Celsius
calorimeter an instrument used to measure changes in thermal energy
conduction the transfer of thermal energy with no overall transfer of matter
thermal conductor a material that conducts thermal energy well
thermal insulator material that conducts thermal energy poorly
convection the transfer of thermal energy when particles of a fluid move from one place to another
convection current occurs when a fluid circulates in a loop as it alternately in a loop heats up and cools down
radiation the transfer of energy by waves moves through space
thermodynamics the study of conversions between thermal energy and other forms of energy
heat engine any device that converts into work
waste heat thermal energy that is not converted into work
external combustion engine an engine that burns fuel outside the engine
internal combustion engine heat engine in which the fuel burns inside the engine
central heating system heats many from one central location
heat pump a device that reverses the normal flow of thermal energy
refrigerant fluid a fluid that vaporizes and condenses inside the tubing of a heat pump
Created by: uglieeninja