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K.L. chapter 10

Heat and Heat Technology

WordDefinition
Temperature A measure of how hot(or cold) somthing is;specifacally, a measure of the average kinetic energy of the particles in an object.
Thermal Expansion An increase in the size of a substance in response to an increase in the temperature of the substance.
Absolute Zero The temperature at which molecular energy is at a minimum (0 K on the Kelvin Scale or -273.16 degrees celsius on the Celsius scale).
Heat The energy transferred between objects that are at diffrent temperatures.
Thermal Energy The kinetic energy of a substance's atoms.
Thermal Conduction The transfer of energy as heat through a material.
Thermal conductor A material through which energy can be transferred as heat.
Thermal Insulator a material that reduces or prevents the transfer of heat.
Convection The transfer of thermal energy by the circulation or movement of a liquid or gas.
Radiation The transfer of energy as electromagnetic waves.
Specific Heat The quantity of heat required to raise a unit mass of homogeneous material 1K or 1 degree C in a specified way given constant pressure and volume.
States of Matter The physical forms of matter, whuch include solid, liquid, and gas.
Change of State The change of a substance from one physical state to another.
Insulation A substance that reduces the transfer of electricity, heat, or sound.
Heat Engine A machine that transforms heat into mechanical energy, or work.
Thermal Pollution A temperature increase in a body of water that is caused by human activity and that has a harmful effect on water quality and on the ability of that body of water to support life.
Created by: klund
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