Glow sticks will show up better if you put them in the dark instead of leaving them in the light. Glow sticks are activated by breaking the tube inside and shaking them.
Glow sticks are a chemical light.
Glow sticks are exothermic.Exothermic is when heat/energy is released. And that is exactly what glow sticks do. but the energy being released is in the form of light.
Nightflyer.com
They glow so you can see in the dark and so they look cool!
they absorb light from before and then when it is dark they glow the absorbed light
Glow sticks
Glow sticks aren't just for raves, nor are they just for kids on Halloween. Glow sticks can be a great safety asset when outside in any dark or dangerous condition. Many athletes use glow sticks to light their paths when running and to make them more visible to cars. Glow sticks can also be useful for roadside emergencies, for power outages, or in substitute of a flashlight. Glow sticks are inexpensive and can be purchased at most party stores and sports stores.
Due to the little amount of light that glow sticks provide it isn't guaranteed that you can use them to find people. Although having many glow sticks may work.
Glow sticks do not "capture" light. The light is produced by a chemical reaction. See the related link for a more in-depth discussion.
plastic light
Who doesn't love glow-in-the-dark Halloween costumes, stickers, or glow sticks? Many bugs glow in the dark, too. Unlike glow toys, these bugs make their own light. These bugs are bioluminescent (by-oh-lew-muh-NESS-ent). Chemicals in their bodies combine to make them shine. Although bioluminescent animals light up, they don't give off heat like a light bulb does. Fireflies are the most common glow-in-the-dark insects. They light up to communicate with each other as they look for a mate.
no acid is in glow sticks. Glow sticks usually have two chemicals that react with each other to create chemiluminescence, by giving off energy in the form of light