| A | B |
|---|
| Temperature | a measure of the average kinetic energy of the particles in an object |
| Thermal expansion | The increase in volume of a substance due to an increase in temperature |
| Absolute zero | The lowest temperature on the Kelvin scale (K) has nver been reached |
| Heat | The transfer of energy between objects that are at different temperatures |
| Thermal energy | The total energy of the particles that make up a substance |
| Conduction | the transfer of thermal energy from one substande to another substance through direct contact |
| Conductors | Substances that conduct thermal energy very well |
| Insulators | Substance that do not conduct thermal energy very well |
| Convection | The transfer of thermal energy by the movement of a liquid or a gas. |
| Radiation | the transfer of energy through matter or space as electromagnetic waves |
