| Word | Meaning |
| Convection | The spreading of heat through a liquid or a gas by the movement of its own molecules |
| Density | How much matter is packed into a given volume, which falls when a fluid is heated |
| Sea breeze | The cool wind blowing from the sea towards the land during the day |
| Land breeze | The cool wind blowing from the land towards the sea at night |
| Natural convection | Convection that happens on its own from differences of temperature and density |
| Forced convection | Convection driven by an outside force such as a fan or a heater |
| Thermal | A current of air that is climbing upward |
| Humidity | The amount of water vapour held in the air |