Glowing Jello || Halloween Science Experiments for Kids || Tonic Water Jello

Here’s a fun treat you can make for Halloween - GLOWING JELLO! Are you ready to have some Spooky Science Fun? Let’s make this weird glow in the dark jello together!

Our puppet friend Charlie explains that this isn’t actually “glow-in-the-dark” jello, because it doesn’t glow on its own. First, you shine a black light on it (UV or ultraviolet) - then the jello fluoresces out a different color light that we can see.

CAUTION: DO NOT LOOK DIRECTLY AT THE BLACK LIGHT!
UV LIGHT DAMAGES YOUR EYES.

Here’s what you need to make glowing jello at home:
1 package of Jello (any brand will do) - green works better than orange or red
1 cup boiling water
1 cup tonic water
A bowl
A spoon
A refrigerator

Do you know which of these ingredients makes the jello glow? It’s the TONIC WATER. Tonic water contains a special ingredient called Quinine. Quinine is fluorescent. When you shine a black light at it, it absorbs the UV light and fluoresces out a blue light.

We made our glowing jello in a jar. What shape would you like to make? Tell us in the comments!

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Do your kids love science? Puppet science is a great way to keep kids excited about science and do safe and educational science activities! Perfect for preschool, kindergarten, and elementary school. Do you homeschool? It's a wonderful way to get kids excited about science in their own backyard!

Be sure to SUBSCRIBE so you don’t miss our next episode!

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We Recommend the fun and educational delivery boxes from Steven Spangler:

Spangler Science Club - Interactive Science Activities delivered every month

For Teachers: Really Good Box of Stuff - new themed educational box delivered each month (something for you and something for your class)

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We recommend these fun books and toys for kids:

Plastic Brain Jello Mold

Fluorescent/black light posters

10 color set UV black light/fluorescent acrylic paints

Black Light Fixture with bulb (use with adult supervision)

National Geographic Little Kids First Big Book of Why

The Curious Kid’s Science Book: 100+ Creative Hands-On Activities for Ages 4-8

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Written by Kimberly Hatch Harrison
Performed by Michael Rosenbaum
Produced by Kimberly Hatch Harrison and Michael Harrison

Creative Commons Picture Credits:
Black Light Fluorescent Artwork
Author: Beo Beyond

Striped Horsefly eye
Author: Thomas Shahan

Carpenter Bee eye
Author: Muhammad Mahdi Karim