| A | B |
|---|
| Absolute Zero | The temperature at which all matter stops moving 0K. |
| Calorimeter | Instrument used to measure changes in thermal energy. |
| Central Heating System | A system that heats many rooms from one location. |
| Conduction | The transfer of thermal energy with no overall transfer of matter. |
| Convection Current | Occurs when fluids circulate and create loops of warmer and cooler air. |
| Convection | Transfer of thermal energy when one particle of a fluid moves from one place to another. |
| External Combustion Engine | A fuel engine that burns fuel from the outside. |
| Heat Engines | Any device that converts heat into work. |
| Heat Pump | A device that reverses the normal flow of thermal energy. |
| Heat | The transfer of thermal energy from one substance to another because of a temperature difference. |
| Internal Combustion Engine | A fuel engine that burns fuel from the inside. |
| Radiation | Transfer of energy in waves through space. |
| Refrigerant | A fluid that vaporizes and condenses inside the tubing of a heat pump. |
| Specific Heat | The amount of heat needed to raise the temperature of one gram of substance one degree C. |
| Temperature | How hot or cold something is compared to a reference point. |
| Thermal Conductor | Material that conducts thermal energy well. |
| Thermal Expansion | An increase in volume due to the increase in heat. |
| Thermal Insulator | Material that conducts thermal energy poorly. |
| Thermodynamics | The study of conversions between thermal energy and other forms of energy. |
| Waste Heat | Thermal energy that is not converted into work. |
