click below
click below
Normal Size Small Size show me how
chapter 10 vocab
| Question | Answer |
|---|---|
| temperature | a measure of how hot (or cold) something is; specifically, a measure of the avage 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 degress on the celsuis scale |
| heat | the energy transferred between oblects that are at different temperatures |
| thermal energy | the kinetic energy of a substance's atom |
| thermal conduction | the transfer of energy as heat throught an material |
| thermal conductor | a material throught 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 1 K or 1 degress celsuis 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, 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 abilty of that body of water to support life |