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  2. Typically, fire comes from a chemical reaction between oxygen in the atmosphere and some sort of fuel (wood or gasoline, for example). Of course, wood and gasoline don't spontaneously catch on fire just because they're surrounded by oxygen. For the combustion reaction to happen, you have to heat the fuel to its ignition temperature.
    science.howstuffworks.com/environmental/earth/geophysics/fire1.htm
    science.howstuffworks.com/environmental/earth/geophysics/fire1.htm
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  3. People also ask
    Is fire a gas or a flame?Like a gas, it expands to fill the volume in which it’s contained, whereas a flame does not. But what we can conclude (for now) is that, of the fundamental states of matter, fire is most like a plasma. In fact, some very hot flames do contain plasma – when the energy inside them is sufficient to ionise enough of the air molecules.
    Is fire an element?However, the modern definition of an element relates to the number of protons a pure substance possesses. Fire is made up of many different substances, so it is not an element. For the most part, fire is a mixture of hot gases. Flames are the result of a chemical reaction, primarily between oxygen in the air and a fuel, such as wood or propane.
    Is fire a material or a process?Fire, however, is not just outside the classification scheme as it involves a mixture (or even because it involves variations in mixture composition and temperature at different points in the flame), but because it is not something material, but a process.
    What is the difference between a gas and a fire?Gases consists of molecules, atoms, and ions that are widely spaced. The distance between particles is much greater in plasma. Additionally, the particles in plasma are almost exclusively charged particles (ions). Fire emits heat and light because the chemical reaction that produces flames is exothermic.
     
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  5. When Did We Discover Fire? Here's What Experts Actually Know …

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  7. WebGeophysics. How Fire Works. NEXT PAGE. By: Tom Harris. Fire is one of the most important forces in human history. Jeremy Hoare/Life File/Getty Images. Fire can destroy your house and all of your possession­s in less …

  8. WebApr 30, 2024 · fire, rapid burning of combustible material with the evolution of heat and usually accompanied by flame. It is one of the human race’s essential tools, control of which helped start it on the path …

  9. WebWhat we know for sure is that fire is the visible effect of combustion – an exothermic chain reaction requiring the fire triangle: oxygen, heat and some type of fuel.

  10. WebFire is a chemical reaction that converts a fuel and oxygen into carbon dioxide and water. It is an exothermic reaction, in other words, one that produces heat. This is...

  11. WebThe actual flames of the fire are the release of some of the heat energy as light. These components have led to the development of the ‘fire triangle’ of fuel, oxygen and heat. Remove any one of these and fire cannot sustain …

  12. What Is Fire Made Of? Chemical Composition

    WebJun 4, 2022 · Fire is the result of a chemical reaction called combustion. At a certain point in the combustion reaction, called the ignition point, flames are produced. Ordinarily, flames consist primarily of carbon dioxide, …

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