We have done this activity a few times, and it never fails to WOW my girls....all while sneaking in a bit of science.
Lava Lamp Experiment
Materials- A jar or similar container
- Alka Seltzer
- Baby oil
- Water
- Food coloring
Method
- Begin by filling the jar that you are using 3/4 of the way with baby oil, and then add water until the jar is almost full but not all the way filled. Then, add several drops of food coloring.
- The food coloring will mix into the water and settle at the bottom of the jar after a few moments.
- Once the water is settled it is time to make the lava lamp bubble and FIZZ!
- Have kids break Alka-Seltzer tablets into 3-4 pieces and slowly drop them into the jar.
- As they do this the lava lamp will react, with more bubbles forming as more alka-seltzer is added.
My girls thought this was the coolest thing!
Kids can make their lava lamp bubble & fizz over & over again, too! My girls played & played, making lava lamps in several different colors before eventually running out of antacids.
A Few Tips:
- You can save a little money by using generic alka-seltzer. You can find it at the dollar store as well as online here.
- You can also keep the lava lamp set up and return to the fun throughout the day.
- We buy our baby oil & our food coloring from the dollar store.
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