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Science Test Vocab

Science Test Vocab Flashcards

TermDefinition
Temperature The average amount of kinetic energy of the particles in a substance
Thermometer An object used to measure temperature
Thermal Energy The total energy of all the particles in an object
Heat A flow of energy between objects at different temperatures
Conduction The transfer of heat energy by molecules touching each other
Convection Heat is transferred by movement of currents within a fluid. Particle rise and fall because of density differences.
Radiation A transfer of energy by electromagnetic waves
Solid Definite shape and volume
Liquid Definite volume, changing shape
Gas No definite shape of volume
Melting The change of a solid to a liquid by absorbing heat
Freezing The change of a liquid to a solid by releasing heat
Evaporation The change of a liquid to a gas by absorbing heat (only occurs on the surface)
Boiling The change of a liquid to a gas by absorbing heat (occurs throughout)
Condensation The change of a gas to a liquid by releasing heat
Endothermic The molecules absorb energy from the environment to make the phase change occur (Adding heat)
Exothermic The molecules release energy to the environment to make the phase change occur (Removing heat)
Created by: LiyaGoldman15267
 

 



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