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Food coloring swirling in a jar of oil and water for a DIY lava lamp experiment.
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DIY Lava Lamp Stem Experiment

Discover how to make a DIY Lava Lamp Stem Experiment in just 15 minutes! This inexpensive activity uses simple supplies to fascinate kids with science.
Prep Time5 minutes
Active Time10 minutes
Total Time15 minutes
Yield: 1
Author: Angela Sellari

Materials

  • Oil
  • Water
  • Liquid food coloring
  • Alka Seltzer tablets
  • Large jar

Instructions

  • Pour oil into the jar, filling to about half way.
  • Fill the remaining part of the jar with water. (The water will sink creating fun bubbles.)
  • Add several drops of food coloring and watch it float to the middle and then pop into the water.
  • Add an Alka Seltzer tablet to the jar and watch the bubbles move.
  • Repeat as desired, experimenting with adding colors and/or breaking the tablet into pieces before dropping it into the jar.