The fire triangle is critical to ­fire ­fighting and fi­re investigation. In order to identify potential points of origin and how to extinguish fires, fire professionals must understand what a fire needs to burn. In this video you will make observations about how heat, fuel, and oxygen affect fire.

Watch this video to understand: The three things a fire must have to ignite and continue burning.

Be sure to explore the student guide and teacher guide that support this investigation.