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science vocab

Ch. 10 science

QuestionAnswer
temperature a measure of how hot of cold something is; specifically, 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 kelvin, or -273.16 Celsius)
heat the energy transfered between objects that are at different temperatures
thermal energy the kinetic energy if 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 of prevents the transfer of heat.
convection the transfer of thermal energy by the circulation of movement of a liquid of gas
radiation the transfer of energy as electromagnetic waves.
specific heat the quantity of heat required to raise a unit mass of a homogeneous material 1 K of 1 C in a specified way given constant pressure and volume.
states of matter the physical forms of matter, which 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, of 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: the cat
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