12 terms

Chapter #6 - Science Vocabulary

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thermal energy
A form of energy due to the motion of particles that make up matter.
energy
The ability to do work or change an object.
conduction
The passing of heat through a material while the material itself stays in place.
convection
The flow of heat through a liquid or gas caused by hot parts rising and cooler parts sink.
radiation
The transfer of heat through electromagnetic rays. Energy sent in little bundles.
heat
The flow of thermal energy between objects due to a difference in temperature.
temperature
The measure of thermal energy.
friction
A force which causes the motion between two surfaces to be reduced.
insulator
A material or substance that limits the amount of heat and passes through it.
conductor
A material that allows thermal energy or electricity to pass through it.
convection current
The pattern in which thermal energy flows. Formed when heated liquid or gas expands and is less dense than a cooler liquid or gas around it.
thermometer
A thin glass tube has a bulb filled with colored alcohol. The liquid travels up and down the tube.