Volcano Experiment for Kids

Making a chemical volcano is a very interesting experiment for kids. It helps in keeping them busy both indoors and outdoors. You will also have a chance of having fun while making them.

A volcanic eruption is a very captivating geographical phenomena. Making a chemical volcano is an ideal science project that allows kids to learn about chemistry and formation of volcanoes. There are different methods of making a volcano for a homemade experiment.

They utilize different methods and materials. The processes are simple and require simple materials which are mostly available in your home.

Below are the most safe, reliable and effective methods of making a homemade volcano using inexpensive household materials.


How to Make a Homemade Volcano 

Baking Soda and Vinegar Volcano

Baking soda and vinegar can be used in a kid’s science experiment to simulate a real volcanic eruption. The chemical process involves an acid-base reaction which produces water and carbon (iv) oxide gas.

Baking soda is referred to as sodium bicarbonate whereas vinegar is acetic acid. These chemicals are safe to use among young scientists.


1. baking soda,

2. vinegar,

3. 3 cups of flour,

4. 1 cup of salt,

5. 1 cup of water,

6. a pan,

7. gel food coloring,

8. 2 table spoons of cooking oil,

9. an empty drinking bottle

10. a dish washing detergent.


1. The experiment starts by mixing flour, salt, water and cooking oil together.

2. Add a few drops of coloring to make the volcano colored.

3. Take the bottle and fill it with water.

4. Add two table spoons of baking soda and a little dish washing detergent.

5. Now, set the drinking bottle on the center of the pan.

6. Proceed by shaping the dough around the bottle to make a volcano.

7. Smear some food coloring on the sides of your volcano to be picked up when the volcano erupts.

8. Finally, pour some vinegar into the bottle to produce an eruption.

9. Repeated eruptions are achieved by adding more baking soda and vinegar.

Mentos and Diet Soda Volcano

This experiment is similar to the baking soda volcanoes but the eruption is more powerful.

The experiment is messy since the jets of baking soda are expected to fly over a greater height. This experiment is best carried out outdoors or in the bathroom. However, it is non-toxic making it ideal for kids.


1. a roll of mentos candies,

2. an index card,

3. a test tub or a sheet of paper,

4. 2-litre bottle of diet soda and

5. a clean-up mop.


1. Start by stacking the candies in a test tube into a neat column with minimal space between them.

2. You can opt to roll a sheet of paper into a tube widely enough. The candies should have a chalky consistency .They should be enough to barely fit the mouth of the bottle.

3. Carefully, place the index card over the opening of the test tube or end of the paper tube to hold the candies.

4. Now, invert the test tube.

5. Finally, open the bottle of diet soda for the eruption to occur. This process happens very quickly.

Ketchup and Baking Soda Volcano

The volcano is produced by a chemical reaction between the acetic acid in ketchup and sodium bicarbonate or baking soda. This acid-base reaction produces carbon (iv) oxide and water.

The gas bubbles expand and rise through the water. Eventually, the ketchup is bubbled out to form a colored volcano.


1.  a small container,

2. ketchup,

3. molded clay,

4. baking soda,

5. dish washing soap and water.


1. The experiment starts with mixing the dish washing detergent, ketchup and water.

2. These are swirled together followed by addition of baking soda.

This volcanic eruption takes place slowly and steady. It is therefore ideal for a longer-lasting volcano.



Yeast and Peroxide Volcano

This volcano is easier to make.

The materials needed are:

1. hydrogen peroxide,

2. a quick rising yeast,

3. measuring cups,

4. a small bottle

5.  a paper or clay cone.


1. Model the volcano shape around the bottle using the paper cone or clay.

2. Take your hydrogen peroxide and pour it in the bottle.

3. Now, add the quick rise yeast to the bottle.

4. Activate the chemical reaction by stirring the yeast or swirling it around the bottle.

5. Rest the bottle as you watch the volcanic eruption.

These homemade experiments are easy to set up and require inexpensive materials. They produce different types of volcanoes in terms of time and power of eruption.

The steps are simple and the results can be reproduced. The ingredients are non-toxic thus ideal for kids` science projects.

Egg Science Experiments: Bouncy Egg, Floating Egg and Others.
Naked and Bouncy Egg Experiment What happens when you put...
Science Experiments For Kids (EASY, QUICK, FUN & COOL)
Checking The Basis Conducting science experiments for kids is as...
Soda And Mentos Experiment
Soda and Mentos Experiment: Materials Needed A bottle of soda....
How To Make a Volcano (Homemade Experiment For Kids)
Volcano Experiment for Kids Making a chemical volcano is a...