Sec 6 - fire

Front

What are the three components of the fire triangle?

Back

Heat, Fuel, Oxygen.

Front

What does the fire tetrahedron add to the fire triangle?

Back

A chemical chain reaction.

Front

What is oxidization in simple terms?

Back

A reaction where something combines with oxygen, often releasing energy.

Front

What does “flash point” mean?

Back

The lowest temperature at which a substance gives off vapor to ignite.

Front

What is convection and how does it spread fire?

Back

Heat rising in air; it spreads flames upward and outward.

Front

Who likely first controlled fire, and when?

Back

Homo erectus, about 1.5 million years ago.

Front

Name one way early humans might have discovered fire.

Back

Lightning strikes, volcanic eruptions, or wildfires.

Front

What are two ancient fire-starting methods?

Back

Flint & steel, and hand drill.

Front

Why was keeping fire alive so important in ancient times?

Back

Starting a fire from scratch was hard and time-consuming.

Front

What’s a modern safe way to start a fire?

Back

A safety match.