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fire

What Is Fire?
Image: iStockphoto.com/demypic

What Is Fire?

Oxygen + fuel + extreme heat = combustion, which we see as fire. Seems simple enough but what kinds of fuels can combust? And is there an optimum temperature?

Take a look at the "fire triangle" and explore the chemical reaction behind how things ignite.

Science Learning Hub
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Electric Gadgets and Giant Squids

Electric Gadgets and Giant Squids

The same fluid that preserves the 24-foot-long squid on display at the Smithsonian helps keep electronic devices safe while extinguishing a fire. Discover what else Novec fluid can do. More...

Article
3M
Glossary of Fire Terms

Glossary of Fire Terms

How is "torching" different than "candling"? What does "extreme fire behavior" look like? Find out with this comprehensive fire glossary. More...

Article
NOVA/PBS
What You Don’t Know About Wood Energy

What You Don’t Know About Wood Energy

Wood fires for cooking and heating have long fueled the world’s civilizations. Why not see how much you know about wood energy? More...

Interactive
National Geographic
Backdraft, A Firefighter Nightmare

Backdraft, A Firefighter Nightmare

An oxygen-starved fire is one of the most dangerous situations a firefighter can encounter. Find out how backdrafts build.
More...

Video
HubPages.com
Fire “Tornado” Spotted

Fire “Tornado” Spotted

Fire whirls, fire devils, or firenados — these are other names for fire tornadoes. Explore this site to see how these "whirlwinds of flame" can form during a wildfire. More...

Images
National Geographic
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How Fire Extinguishers Work

How Fire Extinguishers Work

How do you stop a fire? Remove one of its three essential elements: extreme heat, oxygen, and fuel. See how different fire extinguishers put out flames. More...

Article
HowStuffWorks
How Fire Works

How Fire Works

You may not often think of fire as a science — yet there's a lot of science fueling fire! Take an in-depth look at the two chemical reactions that take place in burning wood. More...

Article
HowStuffWorks
Pioneers of Survival: Fire

Pioneers of Survival: Fire

Edwin Galea has been working in fire safety research for more than 15 years. He explains how computer models not only help predict the behavior of fires, but peoples' reactions to them as well. More...

Profile
NOVA/PBS

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