We made home made lava lamps during Sci-Fri! It was such a fun experiment and very cool to watch. Try it at home! Start with 3/4 of a jar of oil. Add some water to the top and watch the water sink to the bottom.
Add food coloring to the mixture. Then add some broken up pieces of Alka-Seltzer.
And watch the magic happen! It really looks like a lava lamp as the Alka-Selzer mixes with the oil and water and food coloring.
It only lasts until the Alka-Seltzer dissolves where we then added a different food coloring and more Alka-Seltzer. We also tried to do it in bigger chunks of the Alka-Seltzer to see how it differed. We liked it better with little bits because it created more "lava".
Love the concentration!!
They were SO into this!
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