Rosa Parks' arrest on this day in 1955 sparked the Montgomery Bus Boycott and changed the world. On Dec. 1, Rosa Parks refused to give up her seat on a Montgomery bus
Fire is a chemical reaction that gives off light and heat. It is an example of the chemical process of oxidation.
The definition of ignite is to start on fire, or to instigate something. 1  When paper is exposed to flame and starts on fire, this is an example of a situation where the flame ignites the paper.