Milk Food Coloring And Dish Soap Experiment

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SUMMARY

The Milk Food Coloring and Dish Soap experiment demonstrates the interaction between dish soap, milk, and food coloring. The dish soap, characterized by its low viscosity, floats on the milk due to its lower density. As the soap spreads, it carries the food dyes with it, creating vibrant patterns. This experiment effectively illustrates concepts of density and viscosity in a visually engaging manner.

PREREQUISITES
  • Understanding of basic chemistry concepts such as density and viscosity.
  • Familiarity with food coloring and its properties.
  • Knowledge of how dish soap interacts with liquids.
  • Basic experimental setup skills for conducting simple science experiments.
NEXT STEPS
  • Research the chemical properties of dish soap and its role in emulsification.
  • Explore the effects of different types of milk (e.g., whole, skim, almond) on the experiment's outcome.
  • Learn about the science behind color diffusion in liquids.
  • Investigate other household items that can create similar visual experiments, such as vinegar and baking soda reactions.
USEFUL FOR

This discussion is beneficial for educators, parents conducting science experiments with children, and anyone interested in basic chemistry demonstrations.

Greg Bernhardt
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This is a fun, easy and super kid friendly experiment. Now, what exactly is happening here? :)

https://www.youtube.com/watch?v=rqQSlEViNpk
 
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He put the cotton bud in a dish soap which is very 'smooth'(Very Less viscosity). And as the dish soap is less dense than milk, it floats. Then it spreads sideways (Very less viscosity)carrying the dyes with it.

I think he avoided using water instead of milk because water would dissolve the dyes fast.
 

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