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What type of energy transformation used in a glow stick?
Chemical energy is converted to light energy in a glow stick. When the chemicals inside the glow stick mix, a chemical reaction occurs that produces light without generating heat.
How do single use glow sticks work?
Disposable glow sticks utilize a chemical reaction to produce their familiar green glow. A glass capsule inside the plastic tube releases a phenyl oxalate solution into the surrounding hydrogen dioxide solution, and once they are mixed well, they react with each other and produce light energy. It is possible to manipulate the color of the glow stick depending on the chemicals used.
What type of energy can be converted to kinetic energy when it is used to do work?
Potential energy can be converted to kinetic energy when it is used to do work.
What type of energy is used as you jump?
The primary type of energy used when you jump is mechanical energy. This includes both potential energy (stored energy from being lifted off the ground) and kinetic energy (energy of movement as you are in the air).
When stored energy is used it is changed into what type of energy?
Stored energy is typically changed into kinetic energy or thermal energy when it is used.
What type of energy transformation used in a glow stick?
Chemical energy is converted to light energy in a glow stick. When the chemicals inside the glow stick mix, a chemical reaction occurs that produces light without generating heat.
What type of energy dose a light stick have?
Assuming that you are referring to non-electric light sticks, it is chemical energy. The reaction is started by mechanical energy (cracking the stick). The chemical nature of glow sticks is also evident in the fact that they die down eventually after the reactants are used up.
What is an whell in Poptropica?
a glow stick which is used to get the gold egg for the giant to get past him and get the flag A GLOW STICK
Are glow sticks made with water?
There is no water used in the making of a standard glow stick, it is simply a chemical reaction between two chemicals. Water can however be used to make a glow stick brighter.
What has to be brokn before it is used?
an egg and a glow stick
How are different colours produced in glow sticks?
Different colors in glow sticks are produced by combining different chemical compounds known as dyes and phosphors. When the chemicals inside the glow stick react and mix together, they emit light of various colors. The specific color of light emitted is determined by the type and amount of chemicals used in the glow stick.
What chemicals make a glow stick glow longer?
To make a glow stick glow longer, you can use chemicals that slow down the rate of the chemical reaction that produces the light. One way to do this is by using a higher concentration of hydrogen peroxide or a lower concentration of the dye in the glow stick solution. This can help make the glow stick last longer before the reaction is fully used up.
Is phosphorus in glow sticks?
No, phosphorus is NOT in glow sticks. Phosphorus is way to dangerous to be put in glow sticks. While a glow stick does have phosphorescence (meaning glow after illumination), it does not have phosphorus.
Three examples of chemiluminescence?
Glows sticks are a common type of chemiluminescent. When the glass vial of hydrogen peroxide reacts with the phenyl oxalate ester (oxidizing it), a glow is produced; the color based on the fluorescent dye also in the stick. Another example is luminol, which is used in crime scene investigation do detect blood (the chemical reacts with iron in the hemoglobin). In nature, the glow from fireflies is another example of chemiluminescence.
Why do glow-in-the-dark things stop glowing after some time?
When things that are supposed to glow in the dark don't, it is usually because they were not exposed to other sources of light. For example, glow stars only glow if the light in the room they decorate has been on for sometime, in a kind of absorbtion process. Without previous contact with a light source they can't glow.
What element is used in glow sticks?
Chemical compounds known as fluorescers, such as phenyl oxalate ester, are typically used in glow sticks to produce the glowing effect. These compounds react with hydrogen peroxide inside the glow stick, emitting light through a chemiluminescent reaction.
What is praise of science and what is critical of science?
Data: The cold water was at a temperature of -8 degrees Celsius. The hot water was at 80 degrees Celsius, and the room temperature water was 23 degrees Celsius. Our observations when we put the glow stick in the cooler water, the glow sticks light intensity decreased the longer the glow stick sat there. After a much longer period of time the light of the glow stick completely went out. When we put the glow stick in the hotter water the light of the glow stick increased significantly, the color of the glow stick became a much brighter color pink. At the room temperature the glow stick in the water when we broke it the color was light but not as bright as the one in the hotter water but not as dark in the colder water, but it stayed the same as when we broke it.Conclusion: During class, we have been conducting our science fair experiment on glow sticks and there light reaction to hot, cold, and room temperature waters. We secured each glow stick in a glass of water at temperatures of 80 degrees Celsius (hot), -8 degrees Celsius (cold) and 23 degrees Celsius. (About room temperature). The environments that a glow stick is keep does affect the way the chemical reaction between the dye, ester, and hydrogen peroxide, in which how bright the energy is giving off during the reaction. Our hypothesis was; if I change the environment temperature of the glow sticks then when secured in a hotter environment the glow sticks light intensity will be brighter. This was our hypotheses because I thought if the chemicals during the reaction we heated, and the warmer the water is the faster the bonds move. It is easier and faster to mix the chemicals more quickly in result the energy of the chemical reaction would produce more light. My hypothesis was supported. When we secluded the glow stick in a hotter temperature the glow stick became much bright, and over time the glow stick even changed to lighter color pink. In some cases there could have been some errors, perhaps if the glow stick had already had the capsule broken or the glow stick was out dated, and even if the water was too cool or not cool enough. You could defiantly use this information learned in the real world. That many things that can result in chemical reactions and you can learn that the glow sticks chemical reaction, it shows the energy giving off by the glow sticks combinations of chemicals. I would like to learn more about what's in each chemical, and how each of them reacts in order to produce the light? by; sarah.+++.Well done, Sarah, and certainly science, but I am not sure how it answers the heading question! I was interested to see that the temperature seems to affect the colour as well as brightness. I have a question though: how did you keep the water liquid at -8ºC? In a formal report you would add such details so that if anyone wishes to repeat your study they can ensure they are doing so correctly..I do see that you considered if using a used or out-dated glow-stick could give errors, and error-reduction is an important part of any scientific experiment. Here is a classic example:.Have you read how the pioneering physicist, Joule (after whom the unit of energy is named) established the link between mechanical and heat energy, hence the foundation of the law that energy can only be transferred or converted? He repeated the test, using a weight-driven stirrer in a cask of water, many, many times, and tried to find and reduce the errors as much as possible, to obtain a result that was as accurate as possible. (The water is warmed slightly by being agitated, showing the mechanical energy used to rotate the paddles is converted to heat energy in the water. By very careful measurement and calculation Joule established the conversion numerically.)
