What Is Fire?
The Big Idea
Discover the violent chemistry and the glowing plasma hiding inside a campfire. Learn about the 'Fire Triangle' and how heat, fuel, and oxygen combine to create the dancing flames that changed human history.
Key Vocabulary & Concepts

Hands-On Observation Checklist
Teacher & Parent Discussion Starters
- Why is understanding what is fire? important in everyday real life?
- What variable or factor had the biggest impact when testing the simulation?
- How does this concept connect to another science topic you have learned about?
Related Wonders
Why Does Ice Float?
Explore the unique physics of water that allows ice to float. Discover how water molecules expand as they freeze, creating a less dense solid that protects life in frozen ponds and keeps icebergs adrift.
How Do Birds Flock?
Step into the mesmerizing mathematical dance of bird murmurations. Discover how thousands of individual birds follow three simple rules to create a giant, intelligent super-organism that can confuse predators and turn instantly without a single leader.
How Do Rockets Work in Space?
If space is a total vacuum with no air to push against, how does a massive rocket ship actually move forward? Unlock the secrets of Newton's Third Law and the physics of fire that allow us to reach the stars.
