DIY Bottle Volcano: Getting Kids Excited About Science

DIY Bottle Volcano: Getting Kids Excited About Science
Our Volcano Experiment

What better way to kick off our summer of science experiments than with a DIY (do it yourself) bottle volcano! Lilia received a science kit for Christmas and ever since, she’s loved doing experiments.

We don’t always do a ton of science experiments at home, but I’m working on changing that. With Lilia being on summer break, my goal is to try one new science experiment each week.

Volcano experiments are very popular in classrooms in real life and on television. I was hoping our experiment would turn out similar to Peter Brady’s.

Alas, our volcano was not quite as spectacular. It started as a dud and then turned into a winner. Since this was an at home experiment, we didn’t need to actually make a fancy volcano. The kids (okay, and I) just wanted to see our very own volcano eruption.

I looked online and found two different methods of making a volcano out of a two liter pop bottle.(If you are reading this and not from Chicago, then fear not, pop is the same thing as soda.)

Everything I found online said to use warm water, baking soda, vinegar and dish soap. We tried two different methods, sat back and watched our volcano…fizzle.

I ended up dumping more baking soda and vinegar into our pop bottle and we finally had our volcano! For whatever reason, it took much more baking soda and vinegar to get our eruption.

What you’ll need:

A clean, empty 2 liter pop bottle

warm water

4 tablespoons baking soda

1 tablespoon dish soap

2/3 cup vinegar

food coloring (optional)


1. Fill bottle half way with warm water

2. Add 5 drops of food coloring (purely for visual effect)

3. Add baking soda and dish soap.

4. Place the cap back on the bottle and shake until all ingredients are mixed.

5. Place the bottle in a large bowl or surface that can be easily cleaned. We did ours in the backyard.

6. Slowly pour vinegar into the bottle and watch your volcano erupt!

When trying this experiment at home, you can always pour in a little more baking soda followed by vinegar for a more foamy effect.

You can also explain to kids why this reaction occurs. The baking soda (sodium bicarbonate) is a base while the vinegar (acetic acid) is an acid. When they react together they form carbonic acid which is very unstable, it instantly breaks apart into water and carbon dioxide, which creates all the fizzing as it escapes the solution.

This is one of those easy experiments that kids can help with and really enjoy. I asked Lilia and Franky this afternoon if they wanted to make a volcano and they couldn’t get started fast enough.

Have fun trying this one at home. Happy experimenting!

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Volcano 2



Filed under: DIY, kids, science

Tags: bottle volcano

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