Health and Safety Lesson
عذراً، هذا النشاط ُمُخفى.
متطلبات الإكمال
قضاء ما لا يقل عن 5 دقائق في هذا النشاط
متابعة النشاط حتى النهاية
Fire and Explosions
Introduction
What makes a fire burn? Why is one fire a roaring inferno while another barely creeps along?
Fire is a chemical reaction in which energy in the form of heat is produced. When forest fuels burn, there is a chemical combination of the oxygen in the air with woody material, pitch and other burnable elements found in the forest environment. This process in known as Combustion. |
|
|