Colorful Fire
Objective:
Color all of the colors of fire, in order, from coolest to hottest.
Materials:
Crayons or markers, paper
Procedure:
- Study the image below. The colors range in order from orange-red (coolest) to blue (hottest).
- Using the image as a guide, draw and color a flame using the correct order of colors.
How hot is blue fire?
Blue fire burns hot enough to melt iron ore and extract iron, marking the start of the Iron Age when humans could produce it. Natural gas stoves typically create a blue flame for cooking, while propane flames are also blue but with yellow tips. A blue flame forms from a mix of gas and oxygen, indicating efficient combustion with no waste. Its temperature ranges from 2,550 to 3,000 degrees Fahrenheit (1,400 to 1,650 degrees Celsius).
How hot is red fire?
Red fire is one of the most common colors and has one of the lowest temperature burnings of its peers.
A red fire can get to 1,470 Fahrenheit (ca. 799 °C).
How hot is orange fire?
Burning common materials produces orange flames, one of the most frequent fire colors because carbon burns at this temperature. Most organic materials on Earth, like wood, vegetation, oil, and charcoal, are carbon-based. When humans learned to create orange fire consistently, it marked the start of the Bronze Age, as its heat is strong enough to melt metals like gold and copper. Orange flames can reach temperatures of up to 2,000°F (about 1,093°C).
How hot is white fire?
White fire burns at extremely high temperatures, capable of melting materials like uranium, nickel, or cobalt. The phrase “white-hot” is often used to describe something intensely hot or scorching. White fire can reach temperatures of around 2,730°F (about 1,499°C).
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