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6.2 Science Vocab

Thermal Energy Vocabulary

TermDefinition
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
Created by: christina.higbee
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