Understanding Chemiluminescence and Glow Sticks

What is the term used to describe light produced by a chemical reaction?

• Bioluminescence

• Phosphorescence

• Fluorescence

• Chemiluminescence

What are the two main components inside a glow stick?

• Metal casing and filament

• Plastic shell and glass tube

• Glass tube and battery

• Plastic shell and LED light

Which chemical is found in the outer layer of a glow stick?

• Hydrogen peroxide

• Cyalume

• Fluorescent dye

• Phosphor

What happens when you bend a glow stick?

• It turns on a switch

• It activates a battery

• It breaks an inner glass tube

• It releases gas

Why are glow sticks useful in various applications?

• They produce a lot of heat

• They are lightweight and waterproof

• They require electricity

• They are expensive and heavy

What is the purpose of wearing safety glasses in the lab?

• To look stylish

• To protect eyes from chemicals

• To enhance vision

• To prevent glare

What color is typically produced when the chemicals in a glow stick are mixed?

• Orange

• Blue

• Green

• Red

How can you make a glow stick glow brighter?

• By shaking it

• By putting it in hot water

• By freezing it

• By exposing it to sunlight

What effect does cold water have on a glow stick?

• Makes it dimmer and longer-lasting

• Changes its color

• Stops the glow completely

• Makes it brighter and shorter-lasting

What is the main takeaway about chemiluminescence from the video?

• It is a process that requires electricity

• It is a natural phenomenon

• It is light produced by combining chemicals

• It is a type of bioluminescence