Glow in the Dark Jello

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In this activity, learners will make homemade jello that glows under a blacklight. They will learn about quinine, an ingredient in tonic water that is fluorescent. Activity includes a written instructions and a how-to video. This activity requires use of the stovetop, so adult supervision is necessary.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$5 - $10 per group of students

Age Range:
Ages 8 - adult

Resource Type:


Materials List (per group of students)

  • Powdered Jello package (light-colored Jello works best)
  • Tonic Water (16 oz)
  • Stove and small pot
  • Heat-proof mixing bowl and spoon
  • Cold tap water
  • Refrigerator
  • Fluorescent blacklight bulb


  • Physical Sciences
    • Chemistry


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Access Rights:

  • Free access


Source Collection

  • COSI Connects


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