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PhysicalScience10

QuestionAnswer
Temperature The measure of the average kinetic energy of particles in an object
Thermal Expansion The increase in volume of a substance due to an increase in temperature
Absolute Zero The lowest temperature on the Kelvin scale is 0 K
Heat The transfer of energy between objects that are at different temperatures
Thermal Energy The total energy of the particles that make up a substance; expressed in joules
Conduction The transfer of thermal energy from one substance to another through direct contact
Conductor Substances that conduct thermal energy very well
Insulator Materials that do not conduct thermal energy well
Convection The transfer of thermal energy by the movement of a liquid or a gas
Radiation The transfer of energy through matter or space as electromagnetic waves such as visible light and infrared waves
Specific Heat Capacity The amount of energy needed to change the tenperature of 1kg of a substance by 1 degree C
States of Matter The physical forms in which an object can exist
Change of State The conversion of a substance from one physical form to another
Insulation A substance that reduces the transfer of thermal energy; made of insulators
Heat Engine A machine that uses heat to do work in a car
Thermal Pollution The excessive heating of a body of water
Created by: coachrj
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