Glow Sticks Research Paper

From this lab we can conclude that the main sources for energy of candles are oxygen, the wick, and wax in gas form. Although oxygen was not tested, it is know that all candles need oxygen and that when the candle’s supply of oxygen is restricted the oxygen will be used up and go out. The wick was proven to be a fuel when the string in step 2 lit on fire. Wax in gas form was proven in step 5 where the candle was lit without using the wick. Solid wax was disproved in step 3 when it melted into liquid wax. But liquid wax was also disproven when trying in step 4 to light it on fire. The lab successfully showed the process in which a candle burns when we observed the flame. When the candle is lit it is very clear that the wick pulls up the melted

The experiment can also be done to compare the burn rate of different colored candles.

The transformations of energy that takes place to allow the flashlight to give off light is

For this experiment it takes about two and a half hours to complete. Do this experiment in an open space where nothing could catch on fire as the experiment is being done. Make sure you are watching this experiment at all times and also make sure there are no little ones around. Do not play with the candles just watch it, again have no things around it that will not catch on fire like maybe your hair or any long sleeves and then it should be safe to enjoy this

Glow sticks, like many other everyday items, have chemistry involved with them. Glow sticks were discovered by Edwin Chandross in the 1960s. He was a young chemist at Bell Labs in Murray Hill, New Jersey. Edwin Chandross actually discovered the glow stick on accident. All along he was just trying to find a general way to explain chemiluminescence. By mixing florescent light and hydrogen peroxide with oxalyl chloride, he discovered how to create a glowing chemical light. From Chandross original discovery a lab team called American Cyanamid, led by Michael M. Rahurt, created an oxalate ester named phenyl oxalate to replace the oxalyl chloride. This lab team then sold their new product to a group named Omniglow who went

This experiment was conducted to determine if the light of a glow stick can be affected by the temperature of water. In this the researcher will try to find what temperature of water makes a glow stick glow brighter and how long it will stay lit. By proceeding in the experiment, the data collected proved the hypothesis to be correct. Warmer water caused the glow stick to glow brighter than it had before. On the other hand, the beaker with colder water made the stick stay lit longer and the room temperature water didn’t affect the glow stick as much.

How does it work? Glow sticks produce light using a process known as chemiluminescence. Chemiluminescence is the production of light energy from a chemical reaction without the use of heat or a flame.

For our experiment, we first filled three beakers up with water in different temperatures, such as; warm, room temperature, and ice. We then added three drops of red dye and placed one stick of celery in each beaker with water and red dye. We then waited 10 minutes, took the temperature again, which showed change and then we waited 10 more minutes. After

The question that was resolved by this experiment was, “does different temperatures affect how long the illuminating process in glow sticks lasts?” In this experiment the hypothesis was, if the temperature is cold (5 degrees Celsius), then the glow time of the glow sticks lasting will increase because the molecules are moving slowly and the cold water is dragging out the reaction time making it last an extensive amount of time. The independent variable was the temperature of the water in the glass cup while the dependent variable was how long the sticks glowed. Some controlled variables included 235 milliliters of water in each glass, the brand of glow stick used which was glow play, and the color of the glow sticks which was pink. The controlled group was the glow stick in the room temperature water, and the experimental group was the different water temperatures. During this experiment make sure to crack the glow sticks and shake it well before putting it in the cup.

This experiment is about glow sticks so here are some facts. Let’s talk about glowsticks and everything about them. Light is generated from a chemical reaction which is called chemiluminescence. Typical glow sticks use a hydrogen peroxide solution, a solution of phenyl oxalate ester, and a fluorescent dye. Glow sticks are plastic tubes containing glass vials that emit light when they are cracked/ bent. They have a glow time from 6-12 hours. It also depends on the size of the glow stick and other stuff like that. Glow sticks are also waterproof if you did not already know that. Energy created by the chemical reaction is what creates the color. If glow sticks did not have fluorescent dye there would be no color. Glow sticks might look like they

Then, in 1951, another scientist Morris Grodsky, blended powder forms of the chemicals luminal, sodium carbonate, and sodium perforate in distilled water. This is basically the spray used in CS I kits and present day. This solution post a problem because of the sodium perborate. It contradicted with the hemoglobin oxidizing the luminol. This slowed the reaction. The glow was not bright and only lasted a short period of time, it was unstable and even toxic, it must be stored in a cool space, couldn't come in contact with directly, expired quickly, and if it was photographed it must be completely dark or one had to film it with a night vision camera.

Lightbulbs are thing that we use to light up our home. Although it sound simple the way their made is actually quit complicated.

Dependent Variable – Mass. The mass was measured according to the size of the aluminum foil. Control Variables – The brand of aluminum foil or if the ruler was accurate. These variables stayed the same in the experiment.

Until just over a century ago, man had two sources for light: the Sun and fire. This all changed with the development of the electric light. The light bulb changed the world immensely. No longer does the world comprise of barbaric people who lived in the dark but a civilized culture who have light at their fingertips. This paper will study in depth the production process, the disposal, and future of the incandescent light bulb.

While OLED 's are a great technology nowadays they have not always been so advanced. The first working OLED was created in 1987 by Ching W. Tang and Steven Van Slyke at Eastman Kodak. Although this was the first technically working OLED, electroluminescence – the principle OLED 's use was first reported in 1953 by A. Bernanose, M. Comte, and P. Vonaux, using a high-voltage electrical field. Electroluminescence is when a material emits light in response to the passage of an electric current or to a strong electric field being applied through the substance (J. Chim p.50, 64.).