Without wax gas, the flame won’t burn. Your breath blows some of the wax gas away. Without this fuel, the flame will go out. The colors of a flame are caused by bits of wax molecules that didn’t get ...

A composite false-color image of fire in space ... consisting of just three basic ingredients: oxygen, heat and fuel. Here on Earth, when a flame burns, it heats the surrounding atmosphere ...

This insulating barrier prevents oxygen and heat from reaching the burning material. Flame retardants also trigger ... giving them their eye-catching pink or red color. This improves the ...