| A | B |
|---|
| convection | energy transfer through currents |
| radiation | energy transfer in waves |
| conduction | energy transfer through collision of individual particles |
| solar heating | use of sun's energy |
| passive solar | no mechanical devices |
| active solar | uses solar panels, mechanical devices |
| insulator | reduces energy transfer |
| conductor | transfers thermal energy easily |
| poor conductors | wood, air, fiberglass |
| poor insulators | metals |
| radiator | uses air or water flow |
| mechanical energy | energy of motion |
| combustion | process by which engines burn fuel |
| specific heat | capacity to change temperature |
| R-value | resistance to heat flow in a 1 m x 1 m material per cm |
| heating systems | radiators, forced air |
| Ocean Thermal Energy System | converts thermal energy to mechanical energy |
| electrical heating system | uses coils to transfer heat |
| hot water radiator system | pumps liquid through a radiator |
| forced air heating system | blows air through radiator |
