Glowing Milk Experiment

July 26, 2019
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Have you ever tried the rainbow milk experiment?
We have, and it is absolutely magical!  Today, we wanted to put a spin on this simple bit of science and make neon rainbow milk!

Wow the kids while exploring science with the glowing magic milk experiment!  #milkfoodcoloringanddishsoap #milkfireworks #milkexperimentsforkids #milkexperiment #magicmilkexperiment #magicmilk #neonmilk #glowingmilk #glowingmilkexperiment #glowingmagicmilk #growingajeweledrose
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The colors in this experiment exploded and danced like fireworks across the surface of the milk, leaving us in awe!  Rosie and Jewel wanted to make the milk dance again & again!  Read on to see how you can set this activity up at home!

Glowing Rainbow Milk Experiment

Materials
Method
  • Begin by lining the bottom of a shallow pan with whole milk or half & half.
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  • We used a pie pan, and that worked great!  
  • A baking dish will also work.  Just ensure that the bottom of the container is fully lined with milk.
  • Carefully add a drop or two of neon watercolor paint onto the outer surface of the milk, adding a few drops for each paint color that you are using.
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  • Now, comes the fun part!
Making Milk Fireworks
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  • Then, have them place the soapy end of the swab into the center of the pan of milk.
  • As the swab touches the milk the colors will explode with life and begin to dance!
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  • As the swab sits in the milk the colors will continue to dance, mix, and swirl!
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  • Rosie and Jewel thought this was SO COOL and wanted to make the milk dance & swirl again and again!
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  • If/when the effect begins to dissipate you can easily get it going again by adding more dish soap to the swab and repeating the process.
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Extend the Fun
  • Try rotating colors and color placement to create different effects.
  • Explore color theory by using two neon colors that come together to make a new color during mixing.
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  • Try this experiment using different liquids.  Will this work with almond milk or coconut water?  Why or why not?
The Science Behind the Fun
  • Why do the watercolors float on top of the milk?  
  • What makes the paint dance & swirl? 
  • Why does the dish soap cause a reaction? 
Learn all about the science behind the magic milk experiment: 
More Science for Kids
If your kids love science be sure to give these other fun & educational experiments a try!
Note:  
  • For the best effect you will want to use a blacklight for this activity.  The one that we have can be found online here.
  • The neon watercolors that we used for this activity can be purchased on Amazon here.
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Wow the kids while exploring science with the glowing magic milk experiment!  #milkfoodcoloringanddishsoap #milkfireworks #milkexperimentsforkids #milkexperiment #magicmilkexperiment #magicmilk #neonmilk #glowingmilk #glowingmilkexperiment #glowingmagicmilk #growingajeweledrose
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More About the Author

Crystal Underwood is the writer and creator of Growing A Jeweled Rose. She has worked extensively with children and strongly believes in the importance of play at the core of early learning. She is passionate about the early years and believes that childhood should be a truly magical time in life. For all the best kids activities connect with Growing a Jeweled Rose below!