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6.2 Science Vocab
Thermal Energy Vocabulary
Term | Definition |
---|---|
variable | any factor that can be controlled, changed, or measured in an experiment |
open system | a material system in which mass or energy can be lost to or gained from the environment |
closed system | a material system in which mass or energy cannot be lost or gained from the environment |
mean | the average of the given set of values |
molecule | a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound |
control variable | any factor that is controlled or held constant during an experiment |
condensation | the conversion of a vapor or gas to a liquid |
evaporation | the conversion of a liquid to water vapor |
kinetic energy | the amount of energy an object has when it is in motion |
potential energy | the amount of energy within an object when at rest |
temperature | the degree or intensity of heat present in a substance shown by a thermometer or perceived by touch |
thermal energy | the energy contained within a system that is responsible for its temperature |
heat | the quality of being hot; high temperature |
absorption | the process or action by which one thing absorbs or is absorbed by another |
conduction | the process by which heat or electricity is directly transmitted through a substance |
styrene/styrofoam | A hydrocarbon petroleum byproduct used to make plastics and resins |
porous | having minute spaces or holes through which liquid or air may pass |
vacuum-insulated | a form of thermal insulation consisting of a gas-tight enclosure surrounding a rigid core, from which the air has been evacuated |