Natural or man-made, three conditions must be present for a wildfire to burn: fuel, oxygen, and a heat source. Firefighters call these three elements the fire triangle. Fuel is any flammable ...

The diagram shows a simple calorimetry experiment to measure the heat energy released from burning fuel: Cold water is measured into a copper calorimeter – a small metal can. The starting ...

This short film could be useful for students when discussing chemical reactions and the ‘fuel triangle’. Students could investigate what is required for the process of combustion to take place.