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Chapter 5 Vocabulary

TermDefinition
Temperature The measure of the average kinetic energy of the particles that make up the object.
Thermal Energy The sum of the kinetic energy and the potential energy of all of the particles that make up that object.
Heat Energy that is transferred between objects due to a temperature difference between those objects.
Specific Heat The amount of heat needed to raise the temperature of 1 kg of that material by 1 degree Celsius
Conduction The transfer of thermal energy by collisions between particles that make up matter.
Convection The transfer of thermal energy in a fluid by the movements of warmer and cooler fluid.
Radiation The transfer of energy by electromagnetic waves, such as light and microwaves.
Thermal Insulator A material through which thermal energy moves slowly.
Solar Collector A device that transforms radiant energy from the Sun into thermal energy.
Thermodynamics The study of the relationships between thermal energy, heat, and work.
First Law of Thermodynamics States that if the mechanical energy of a system is constant, the increase in thermal energy of that system equals the sum of the thermal energy transfers into that system and the work done on that system.
Second Law of Thermodynamics States that energy spontaneously spreads from regions of higher concentration to regions of lower concentration.
Heat Engine A device that converts some thermal energy into mechanical energy.
Internal Combustion Engine A heat engine that burns fuel inside a set of cylinders.
Created by: 19inmmor