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======Dry Ice Detergent Bubbles======


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**Materials: **{{$demo.materials_description}}\\
**Difficulty: **{{$demo.difficulty_description}}\\
**Safety: **{{$demo.safety_description}}\\
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**Categories:** {{$demo.categories}}
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**Alternative titles:** Dry Ice Bubbles
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====Summary====                   
{{$demo.summary}}


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/* PROCEDURE - Optional                                                                                */
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====Procedure====  
  - Put on thick gloves or use tongs to handle dry ice safely.
  - Fill a plastic container halfway with warm water.
  - Add a squirt of detergent and gently mix.
  - (Optional) Add a few drops of food coloring for extra effect.
  - Drop a chunk of dry ice into the warm water using tongs.
  - Watch as bubbles filled with fog build up and spill over the edge.
  - Touch or pop the bubbles to release a puff of mist.

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====Links==== 
Sublimation - Dry Ice, Detergent and Water - Sarah Jones: 
{{youtube>39Cb-qG8Ozk?}}\\
📄 Dry Ice Experiments with Bubbles - Eating Richly: [[https://eatingrichly.com/dry-ice-experiments-bubbles/]]\\


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/* VARIATIONS - Optional                                                                               */
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====Variations====
  * Experiment with different water temperatures.
  * Allow kids to blow gently on the bubbles or fog to see how air currents affect them.


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/* SAFETY PRECAUTIONS - Required                                                                       */
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====Safety Precautions====
  * Always wear thick gloves or use tongs when handling dry ice to prevent frostbite.
  * Do not touch dry ice with bare skin.
  * Conduct the experiment in a well-ventilated area—carbon dioxide gas can build up in enclosed spaces.
  * Never allow children to put dry ice near their mouths.


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====Questions to Consider====
  * Why does warm water produce more fog than cold water?
  * Why are the bubbles heavier than regular air bubbles?
  * How does adding more soap change the experiment?


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/* DEMONSTRATION INFORMATION - Required                                                                */
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/* Complete information in the Demonstration Info box below, following instructions exactly. */