14 words in Thermal Energy Unit Flashcards
System
An organized group of related parts that interact with one another to achieve a common goal
Independent Variable
A variable purposely being changed; the cause of the cause and effect
Dependent Variable
A variable that is being measured; the effect of the cause and effect
Control Variable
A variable that always stay the same to keep an experiment or test fair
Evaporate
The process of turning liquid to vapor
Open System
A system where energy and matter may flow in and out and circulate within
Closed System
A system where ONLY energy moves in and out. Matter is maintained within the system
Condensation
The process of turning gas to liquid
Thermal Energy
The vibration of molecules
Heat
The transfer of energy
Conduction
The transfer of heat that occurs when one thing touches another
Radiation
Energy that is sent out in waves and converted into thermal energy
Insulator
Any material that is a poor conductor; does not allow heat to move through it
Thermal Conductivity
The rate at which heat is transferred from on object to another
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