WHAT ARE BUBBLES AND HOW DO THEY WORK
Bubbles are spherical, floating objects that are made up of water, soap, and glycerin. The air in a bubble is surrounded by a liquid soap. A simple bubble solution is made up of soap, glycerin, and water. The stickiness of the water is due to two hydrogen atoms, and one oxygen atom, H2O. Bubbles are spherical because their air inside of them tries to escape in all directions. Glycerin is an important ingredient on bubbles because it absorbs moisture in the air. For example, if you placed a bottle of pure glycerin exposed to the air, it would soon become eighty percent glycerin and 20 percent water. Most of the bubbles that you see are filled with air, but you could use other gases to fill the bubble, such as carbon dioxide. In an ordinary bubble, a thin layer of water is sandwiched two layers of soap bubbles. Common gases that could appear in bubbles are CO2, or hydrogen. Bubbles have a shimmery appearance because light reflects off of the shiny, soapy outside. When bubbles touch a dry surface, they will pop. This is because a dry surface cannot withstand a wet bubble. When a bubble touches a moist or soapy surface, however, it will become stuck in the moist surface, and it won’t pop as quickly.

elkbubblesscience.jpg
The Sun's Light is reflecting off of the bubble


PROPERTIES OF A BUBBLE COMPARED TO A BALLOON AND OTHER TYPES OF BUBBLES
The properties of a bubble can be the same as a balloon. For example, a balloon is filled with air, just like a bubble. Also, a balloon’s air pushes in all directions like a bubble. Sometimes balloons properties are different. With some balloons, there are corners so that the balloon will be square shaped when it is blown up. With bubbles, there is only soap to outline the bubble, so it cannot have squared edges. Therefore, a bubble can only be spherical.
There are many brands that sell bubbles, but they all use the same basic ingredients because bubbles can only be made with soap and water. Some bubbles can be scented, some can be colored, and some can stay on a human finger instead of popping when it reaches it. The most proven theory of this is that the bubble is used with a stronger soap solution, so that it does not pop as quickly.
eksciencebaloons.jpg
You can see the similarities between a baloon and a bubble.



Glossary
Solution: noun; A means of solving a problem or dealing with a difficult situation
Spherical: adj; Shaped like a sphere
Glycerin: noun; A clear, colorless, syrupy liquid that occurs extensively in nature and is naturally found in the cells of plants, animals and humans.
Hydrogen: noun; A colorless, odorless, highly flammable gas, the chemical element of atomic number 1.

Glossary Continued:
5. Theory: noun; A supposition or a system of ideas intended to explain something, esp. one based on general principles independent of the thing to be
6. Properties: noun; A thing or things belonging to someone; possessions collectively.


Citations
Books:
Toppen, Jodi Science Experiments that Fizz and Bubble Mankato, Minnesota, Edge Books Capstone Press, 2011, Print
Spangler, Steve Fire Bubbles and Exploding Toothpaste Austin, Tex. Greenleaf Book Group Press, 2012, Print.
Databases:
"surface tension." Encyclopædia Britannica. Encyclopædia Britannica Online School Edition.
Encyclopædia Britannica, Inc., 2012. Web. 27 Sept. 2012.
**http://school.eb.com/eb/article-9070440**>.
Internet Resources
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http://www.exploratorium.edu/ronh/bubbles/bubble_meets_bubble.html
Cite for this source: Hipschman, Ron “Bubbles” Exploratorium.edu, Copyright 1995, September 27th, 2012