Chapter 1
The chemical building blocks of fire
Chapter 2
How humans mastered the spark
Chapter 3
Dismantling the fire triangle
Chapter 4
Modeling fire with plastic bricks
Ch 3 · Dismantling the fire triangle
lego Carbon dioxide fire extinguishers work by displacing oxygen with a heavy, non-flammable gas.
lego Dismantling the Fire Triangle
Break the triangle, break the triangle / Just pull one block to stop the fire!
lego Chemical fire retardants work by interfering with the free radicals that keep fire going.
Fun Fact
Heavy gas: Carbon dioxide is heavier than oxygen, allowing it to blanket a fire and starve it of air.
Glossary
extinguishment (noun)
The act of putting out a fire by depriving it of fuel, heat, or oxygen. LEGO firefighters achieve this by physically separating combustible plastic bricks from heat sources to stop a blaze.
The act of putting out a fire by depriving it of fuel, heat, or oxygen. LEGO firefighters achieve this by physically separating combustible plastic bricks from heat sources to stop a blaze.