Fire also furnishes the energy for running steam engines and other machines. It is used to separate metals from their ores and for many chemical processes. Uncontrolled fire is one of humanity's worst enemies. Fires have caused many deaths and billions of dollars in property damage in the United States. Some fires are brought about by natural causes.
Lightning often starts forest fires.
Some fires are caused by carelessness, and others are set on purpose. Safety Walk Distribute a copy of your school map to each student. Take a walk around your school and note the position of fire alarm boxes, fire extinguishers, and fire hydrants. Have students mark all these on their maps. When you get back to the classroom, pool all of your information and make one good copy of the map.