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Ch 6 Thermal Energy

Vocab

TermDefinition
Temperature Measure of the average kinetic energy of all the paticles in an object.
Thermal energy Sum of kinetic and potential energy of the particles in an object.
Heat Thermal energy that flows from a warmer material to a cooler material.
Specific heat Amount of thermal energy needed to raise the temperature of 1 kg of a material 1C.
Conduction Transfer of thermal energy by collisions between paricles in matter at a higher tempertaure and paticles in matter at a lower temperature.
Convection Transfer of thermal energy in a fluid by the movement of armer and cooler fluid from one place to another.
Radiation Transfer of thermal energy by electromagnetic waves.
Insulator Material in which electrons are not able to move easily.
Solar Collector Device used in an active solar heating system that absorbs radiant energy from the sun.
Thermodynamics Study of the relationship between thermal energy, heat, and work.
First law of thermodynamics States that the incrase in thermal energy of a system equals work done on the system plus the heat added to the system.
Second law of thermodynamics States that is impossible for heat to flow from a cool object to a warmer object unless work is done.
Heat engine Device that converts thermal energy into work.
Internal Combustion engine Heat engine that burns fuel iside the engine in chambers or cylinders.
Created by: orly14
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