| A | B |
|---|
| The temperature scale on which zero is the temperature at which no more energy be removed from matter. | Kelvin scale |
| The temperature scale on which zero and 100 are the temperature at which water freezes and boils | Celsius scale |
| The temperature at which no more energy can be removed from matter | Absolute zero |
| The movement of thermal energy from one substance to another | Heat |
| The transfer of thermal energy between particles through contact | Conduction |
| The transfer of thermal energy by the movement of currents within a fluid | Convection |
| A current caused by the rising of heated fluid and sinking of cooled fluid | Convection current |
| The transfer of energy by electromagnetic waves | Radiation |
| A material that does not easily transfer thermal energy or electric current between its particles | Insulator |
| The three forms (solid, liquid, and gas) in which matter exists | States |
| The physical change of matter from one state to another | Change of state |
| The temperature at which a substance changes from a liquid to a solid | Freezing point |
| The expansion of matter when it is heated | Thermal expansion |
| The temperature at which a substance changes from a solid to a liquid | Melting point |
| The temperature at which a substance changes from a liquid to a gas | Boiling point |
| The temperature at which a substance changes from a gas to a liquid | Dew point |
| The average kinetic energy of particles in a substance - measured in degrees celsius or Kelvin | Temperature |
| The total kinetic energy of particles in a substance measured in Joules | Thermal energy |
