STRUCTURE PROGRESS

 ✅❎

✅ Fire Safety Education - 00 - Introduction

✅ Fire Safety Education - 01 - The Nature of Fire (Part 1) - The Fire Triangle

✅ Fire Safety Education - 02 - The Nature of Fire (Part 2) - Heat Transfer Mechanisms

Fire Safety Education - 03 - The Nature of Fire (Part 3) - What Types of Fuel Actually Burns, and Why?
Part 3: What burns? (Fuel states: solids, liquids, gases; pyrolysis and vapors.)

Part 4:  (Ignition temperatures: flash point, fire point, auto-ignition.)
Fire Safety Education - 04 - The Nature of Fire (Part 4) - Ignition Temperature: When Does Fuel Actually Catch Fire?

Fire Safety Education - 05 - The Nature of Fire (Part 5) - What Role Does Oxygen Play?
Part 5: How does oxygen affect burning? (Oxygen concentration, ventilation, and surface area as a key factor controlling how readily oxygen can interact with the fuel.)

Fire Safety Education - 05 -The Nature of Fire (Part 5) – Oxygen: The Invisible Partner in Every Fire

Fire Safety Education - 00 - Introduction
Fire Safety Education - 01 - The Nature of Fire (Part 1) - The Fire Triangle
Fire Safety Education - 02 - The Nature of Fire (Part 2) - Heat Transfer Mechanisms
Fire Safety Education - 03 - The Nature of Fire (Part 3) - What Types of Fuel Actually Burns, and Why?
Fire Safety Education - 04 - The Nature of Fire (Part 4) - Ignition Temperature: When Does Fuel Actually Catch Fire?
Fire Safety Education - 05 -The Nature of Fire (Part 5) – Oxygen: The Invisible Partner in Every Fire

Fire Extinguishment Methods: How do we stop a fire?

Fire Safety Education - 05 - The Nature of Fire (Part 3) - What Types of Fuel Actually Burns, and Why?

Fire Extinguishment Methods: How do we stop a fire?

I actually think you've arrived at a stronger structure. The key is deciding whether you want to follow the Fire Triangle literally (Heat → Oxygen → Fuel) or follow the story of how a fire starts. For an educational series aimed at residents, I'd favor the second.

Here's why.

A fire begins because heat is transferred to a fuel until the fuel reaches its ignition temperature. Only then, in the presence of oxygen, does combustion begin. That makes heat transfer the first concept readers need after introducing the Fire Triangle.

I'd organize the series like this:

1. Introduction
   
   
2. The Fire Triangle — Introduce the three requirements for fire.
   
   
3. Heat Transfer Mechanisms — Explain conduction, convection, and radiation, showing how heat moves from a fire to nearby objects.
   
   
4. Types of Fuel & Ignition Temperatures — Explain solid, liquid, and gaseous fuels, piloted vs. auto-ignition, why different materials ignite at different temperatures, and include the ignition temperature table.
   
   
5. Oxygen: The Invisible Partner — Explain combustion, ventilation, compartment fires, smoke production, fire-rated doors, backdraft, and why opening doors/windows can intensify a fire.
   
   
6. Fire Extinguishment Methods — Show how removing heat, fuel, or oxygen (and interrupting the chain reaction) extinguishes fire.

The flow becomes very natural:

What fire needs → How heat spreads → What actually burns → Why oxygen matters → How to stop it.

That sequence mirrors what happens in a real fire.

Why Heat Before Fuel?

Think about the ignition temperature concept itself. Saying:

"Paper ignites at approximately 230°C"

naturally raises the question:

"How does the paper reach 230°C?"

The answer is conduction, convection, or radiation. So readers already understand the mechanism before you introduce the temperatures.

If you reversed the order, you'd be talking about ignition temperatures before explaining how objects are heated to those temperatures.

I would actually avoid adding... (in Fire Triangle post)

• conduction/convection/radiation (belongs in Heat)
  
  
• ignition temperatures (belongs in Fuel)
  
  
• ventilation (belongs in Oxygen)
  
  
• fire classes (belongs in Extinguishment)
• fire tetrahedron (belongs in Extinguishment)

The Fuel article also becomes richer

Instead of being just a list of combustible materials, it can include:

• What is fuel?
• Solids, liquids, and gases
• Why vapors burn—not liquids themselves
• Surface area and particle size (wood log vs. sawdust)
• Moisture content
• Piloted ignition
• Auto-ignition
• Approximate ignition temperatures (your infographic)
• Why some household materials ignite more easily than others

That becomes a complete lesson on the "Fuel" side of the triangle.

Oxygen then becomes a fire behavior article

You can focus on topics that don't fit naturally elsewhere:

• Oxygen supports combustion but doesn't burn.
• Normal atmospheric oxygen (~21%).
• Oxygen-deficient fires.
• Ventilation-controlled fires.
• Fire compartmentation.
• Why fire doors should remain closed.
• Backdraft.
• Why firefighters control ventilation.
• Why opening windows can make a fire worse.

This article will probably be the one that surprises readers the most because it explains many things they've seen in movies or news reports but may never have understood.

One additional thought

When you reach Fire Extinguishment Methods, I would introduce the Fire Tetrahedron rather than stopping at the Fire Triangle.

You could say something like:

"So far, we've explained the three elements of the Fire Triangle. Modern fire science expands this concept into the Fire Tetrahedron by adding a fourth element—the chemical chain reaction. This helps explain why some fire extinguishers, particularly dry chemical extinguishers, can stop a fire even when heat, fuel, and oxygen are still present."

That gives readers a satisfying progression from the classic model to the modern one without overwhelming them earlier in the series.

Overall, I think this revised outline is even stronger because each article answers a specific question:

• Part 1: What does a fire need?
• Part 2: How does heat spread?
• Part 3: What actually burns, and why?
• Part 4: What role does oxygen play?
• Part 5: How do we stop a fire?

Each part builds directly on the previous one, making the series easy to follow and scientifically coherent.