Forensic Scientists use a chemical called luminol to see blood traces at crime scenes. Luminol mixes with blood to create bright glowing patterns that scientist can see and examine. This is an example of chemoluminescence, which is the ability of a chemical reaction to emit a bright light.
Luminescence isn’t restricted to just chemicals though, there are tons of things that glow in the dark. From fire flies, to creatures in the deep sea, all the way to the ripping of duct tape; tons of things create vibrant glowing lights.
In this demonstration, students get to see some pretty cool chemical mixtures that produce an array of vibrant colors. Some of the mixtures can be made from everyday items we find at home. All of the molecules that students will see are ones that will glow under black light but may not glow bright enough under normal light.