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Thermodynamics Vocab

TermDefinition
heat the quality of being hot; high temperature
thermal energy total potential energy and kinetic energy of an object or sample of matter that results in the system temperature.
macroscopic visible to the naked eye; not microscopic
microscopic so small as to be visible only with a microscope.
temperature the degree or intensity of heat present in a substance or object
thermodynamics the branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy.
heat reservoir heat capacity that is large enough that when it is in thermal contact with another system of interest or its environment, its temperature remains effectively constant. ...
conduction the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
latent heat the heat required to convert a solid into a liquid or vapor, or a liquid into a vapor, without change of temperature
phase change a change from one state (solid or liquid or gas) to another without a change in chemical composition
entropy the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system.
radiant heating heat energy transmitted by electromagnetic waves in contrast to heat transmitted by conduction or convection
thermal expansion the tendency of matter to change in volume in response to a change in temperature
absolute temperature a temperature measured from absolute zero in kelvins.
heat engine a device for producing motive power from heat, such as a gasoline engine or steam engine.
order an authoritative command, direction, or instruction.
disorder
geothermal
thermal equilibrium
specific heat
coefficient of restitution
pressure
kinetic energy
potential energy
heat exchange
radiation
convection
Created by: 15kienzk