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16 terms

thermal energy

Vocabulary
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temperature
a measure of how hot (or 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 (0K on the Kelvin scale or -273.16C on the Celsius scale
heat
the energy transferred between objects that are at different temperature
thermal energy
the kinetic energy that a substance's atoms
thermal conduction
the transfer of energy as heat though a material
thermal conductor
a material though 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 of a liquid or gas
specific heat
the quantity of heat required to raise a unit mass of homogeneous material 1K or 1C in a specified way given constant pressure and volume.
radiation
the transfer of energy as electromagnetic waves
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,or sound
heat engine
a machine that transform 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 the ability of that body of water to support life