Tag Archive for: combustion

The Flame Tube

The Flame Tube (aka Rubens’ Tube) gives us a way to “visualize sound waves” using gas pressure.
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Energy from Hydrogen + Oxygen

Combining hydrogen and oxygen gas in the right proportions can release a tremendous amount of energy.

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The Self Carving Pumpkin

The self carving pumpkin is always cool.

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Methane Bubbles

Methane gas is not only lighter than air, it is also combustible. The combination of lighter than air, combustion and human hand make an interesting combination.

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Combustion of fine organic powders

A fine powder injected into a flame can create an incredible torch of flame. One correction, the second powder is lycodpodium which has nothing to do with mold, not sure where that came from!

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Burning Magnesium in a carbon dioxide block

Carbon dioxide does not extinguish a magnesium metal that is burning. The Magnesium reacts with the CO2 and rips it apart providing it’s own source of oxygen.
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Fireworks 2011

Added a small bit to the burning metal salts with the iron powder. Cool bits of hot iron making a shower of “sparks” that are hard to clean out of the beaker afterwards.

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Exploding Eggs

Some people color eggs for Easter, I think it’s more fun to fill them with hydrogen gas and see what happens when you bring a flame nearby.
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Burning Cheese puffs, Hot food science

Food calories are a measure of how much energy is contained in the food item. A very graphic way to visualize how much energy is in a handful of food is to burn it and observer the flame. We try this with a handful of cheesepuffs and Total cereal. Read more →

The Whoosh Tube

The whoosh tube is a classic demonstration of combustion. A small amount of alcohol inside the jug will fill the container with flammable vapors. Dropping a match in side will quickly ignite the vapors.

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