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The Science Behind Bubbles by Aiyla S.

A bubble floats past your face. Your eyes are instantly drawn to the marvelous sight of the iridescent light cavorting across the surface of such a stunning, frangible figment of science.

The science behind bubbles is astounding, but it’s somewhat esoteric. So what exactly is a bubble?

There are sundry types of bubbles, but a bubble that is formed from soap or detergent is a frail sphere encasing water and air. Put simply, this type of bubble is divided into three “walls,” the center, inner, and outer walls, all of which encompass the scientific components of the bubble.



The Fragility of Bubbles

Most bubbles made from soap or detergent are tenuous and are very likely to pop soon after they have fully formed. Because this variety of bubbles is made from just water, air, and either detergent or soap, these bubbles aren’t able to maintain their form for a very long amount of time. However, the process of a bubble bursting can be slowed down. If sugar, which has stronger, larger molecules than the water in a bubble, is added to the bubble solution, it can make the bubbles last longer in the air because the sugar will deliquesce into the center wall of the bubble, making it thicker and marginally more sturdy. When this happens, the sugar replaces a portion of the water. It also takes longer for sugar to evaporate than water, which forms the center wall of a bubble, to vaporize; therefore, the bubble can last about two to three times longer.


The Walls of a Bubble

Bubbles made from soap or detergent are all formed the same way. They all contain the same layers and contents. Each bubble harbors an inner wall and an outer wall, both of which are formed by either soap or detergent depending on what the bubble was made of. There is also another layer of a bubble denominated the center wall. The center wall is made of water, the component of a bubble that is responsible for the evaporation of a bubble. In addition to this, bubbles are brimming with air on the inside of it.


The walls of a bubble additionally play a role in the frangibility of bubbles. Larger, more capacious bubbles tend to be sturdier than smaller bubbles because of the way their walls are curved. Since the walls of small bubbles are physically curved more than those of big bubbles, small bubbles are ordinarily less sturdy than bigger bubbles.


Moreover, when bunched with other bubbles, larger bubbles can have more air on the inside than more minuscule bubbles. This is because of the fact that when smaller bubbles are clustered with bigger bubbles, the tinier bubbles give off air through their walls, passing more air into the inside of bigger bubbles; therefore, vaster bubbles comprise more air than small ones when bunched together.


The next time you see a bubble, when the coruscating light dances on top of the bubble and the bubbles all cluster together, scrutinize these magnificent spheres of science and witness the phenomena of the bubbles occur right before your own eyes.

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