Chapter 1
The chemical building blocks of fire
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Chapter 2
How humans mastered the spark
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Answer
Chapter 3
Dismantling the fire triangle
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Chapter 4
Modeling fire with plastic bricks
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YOUR GOAL
Master of The science of fire
Ch 3 · Dismantling the fire triangle
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.
lego Carbon dioxide fire extinguishers work by displacing oxygen with a heavy, non-flammable gas.
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.