I had heard mixing Water, Vegetable Oil and Alka-Seltzer together results in a really neat volcano. We did not have any Alka-Seltzer on hand so we tried it with Efferdent. Sadly, no volcano action. But the Efferdent did create a lot of fizz so we improvised and just poured the contents into a bowl and made bubbles.
Supplies: Water, Vegetable Oil, Efferdent Tablets, Food Coloring, Bottle, Funnel, Pan/Bowl, Straws
Fill bottle half way up with water and then add vegetable oil to within an inch of the top. Add food coloring for extra fun. For a volcano effect break up Alka-Seltzer Tablets and drop them in.
We used Efferdent Tablets that did not create a volcano so I grabbed a bowl and poured out the bottle so we could see the fizziness. (My guess is that Alka-Seltzer must dissolve much quicker and therefore works better).
She kept adding drops of food coloring on top of the fizzy spots which quickly turned into a dull mess of colors but she liked it. She really enjoyed squishing the little tablet pieces and watching them fizz up.
She wanted big bubbles so I pulled out the straws.
Daddy can always be counted on for big bubbles!
We had fun with this experiment but I really look forward to actually producing a volcano. Alka-Seltzer is on the shopping list so I should have pictures and a description of the volcano up soon (cross fingers that it works).
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