Mt. Lebanon Fire Department Fire Prevention Division Fire Saftey Curriculum

Lesson Plan 5.2

Objectives:
The student will be able to define the 3 physical states of fuels.

• The student will be able to identify examples of solids, liquids and gaseous fuels.
  
  
• The student will understand the special hazards associated with gases and liquids.

Time:
40 Minutes

Materials Needed:
Table
Props for Demonstration
Halon Fire Extinguisher
Chalkboard

Activity: Approx. Time:

1. Review homework assignment. Have several students relate the fuels, heat sources and hazards they found in one of their assigned rooms. Comment on the hazards identified and the student's suggested remedies. 10 Minutes
   
   
2. Explain that this lesson will be related mostly to fuel sources. On the board, show the three states a fuel may be found in: Solid, Liquid and Gas. 3 Minutes
   
   
3. Explain why liquids are more dangerous than solids. Vapors are the difference. Can travel easily. Explain how gases are already vapors and fill any space they are in. Discuss how some vapors rise into the air and some sink down low. 12 Minutes
   
   
4. Begin demonstrations. Show how it is vapor and not liquid that burns. Show how vapors are invisible. Show how vapor will travel to a heat source. Show how some vapors will sink low. Show how vapors explode in a confined space. 10 Minutes
   
   
5. Briefly summarize the major points of the two classes. 5 Minutes

Evaluation:
Participation in Class Discussion
Take the Fire Prevention Test