Learn About the Science of Things That Glow
Discovering fluorescence and phosphorescence
We cracked the secret to making your favorite concoctions glow-in-the-dark! Glow Powder is a fine powder called zinc sulfide that glows an eerie green when the lights go off. Our team of creative teachers packed the included activity guide with a bunch of great ideas… from glowing alien blobs to glow-in-the-dark putty. When the lights go off, most people think that it’s time to go to bed. The after dark scientist knows that when it’s dark, everything comes alive with an eerie glow! Try using our Glow Powder for your own activities and ideas. It’s perfect for a new twist on Halloween Jack-o-Lanterns and other glow-in-the-dark crafts.
Adult supervision is required with all chemicals.
What does it teach?
Learning about the science of things that glow requires an understanding of two important terms – fluorescence and phosphorescence. It’s also important to note that not all zinc sulfide glows, but luminous zinc sulfide does glow!
How does it work?
The electrons will remain in the excited state as long as they receive light to energize them. But, when the light used as an exciter is removed, the electrons will slowly return to their original lower orbits. As they do so, they give up the energy that excited them in the form of light.