Homemade Baking Soda and Vinegar Volcano Excavation Experiment


Unleashing Erupting Fun: The Ultimate Guide to Making a Homemade Baking Soda and Vinegar Volcano Excavation Experiment


Have you ever seen a volcano erupt on TV or in movies? Did you know that volcanoes are real and can be found on our planet?


A volcano is a mountain that has an opening in its top, called a crater, where hot molten rock called magma, ash, and gas come out from the inside of the Earth. It's so cool to learn about volcanoes, and today, we are going to make our own volcano using baking soda and vinegar!


But wait, we're going to add a fun twist to it by hiding some obsidian inside the volcano that we'll need to excavate just like real-life volcano explorers do! So, get ready for an explosive and exciting adventure as we explore the world of volcanoes together!


Exploring the Fascinating World of Volcanoes: Why Learning About Them is More Than Just Fun


Learning about volcanoes can be an exciting adventure, but did you know that it can also be educational?


By studying volcanoes, we can learn about the Earth's geology, the different types of rocks and minerals that make up the planet, and how they are formed. We can also learn about natural disasters, such as volcanic eruptions, and how they impact the environment and the people living nearby.


Understanding volcanoes can help us prepare for potential hazards and protect ourselves and our communities. So, join us on this learning journey as we explore the fascinating world of volcanoes!



Get Ready for an Explosive Adventure: Creating Your Own Baking Soda and Vinegar Volcano


Now that you know why learning about volcanoes is educational, it's time to get your hands dirty and create your own volcanic eruption!


Making a baking soda and vinegar volcano is not only a fun and exciting way to learn about volcanoes, but it's also a great activity for all ages. You'll get to see the chemical reaction between baking soda and vinegar, which produces carbon dioxide gas that builds up pressure and creates a "lava" eruption.


And with the added excavation activity, you'll have even more fun digging out the hidden obsidian or plastic toys.


So, get ready for an adventure and let's make our own baking soda and vinegar volcano!




To make a baking soda and vinegar volcano, you'll need a few supplies. Here's what you'll need:

  • Baking soda
  • Vinegar
  • Water
  • Dish soap
  • Red food coloring (optional)
  • Container, cardboard, newspaper, or sand to build into the shape of a volcano
  • Small cup or jar
  • Obsidian or small plastic dinosaur toys to hide inside the volcano. 


Obsidian is a naturally occurring volcanic glass that is formed when lava cools rapidly. It can be found in certain regions of the world where volcanic activity has occurred in the past, such as in parts of the western United States, Mexico, and Italy.

If you live near an area where there has been volcanic activity, you may be able to find obsidian on the ground. However, please note that it is illegal to remove rocks or minerals from many public lands without a permit.

Alternatively, you can purchase obsidian online or at a rock and mineral shop. If you are unable to get your hands on obsidian, you can use small plastic dinosaur toys or other small objects instead for the excavation activity.



Dig Zone is a platform that offers an exciting way to learn about earth science. By joining Dig Zone, you'll have access to earth science trivia, virtual mining experiences, and live sessions with expert Excavating Adventures guides.

And did you know you can get free obsidian in the Dig Zone? That's right! You can use the free obsidian for your baking soda and vinegar volcano excavation activity. So, if you're ready for an adventure that will take you on a thrilling journey of discovery through the wonders of the earth, look no further than Dig Zone!




To make the volcano, first, you'll need to build a structure shaped like a volcano or you could simply use a plastic pitcher or container. Sand works well but is a little messy. All you do is make a volcano shape and push the cup into the peak to act as the crater. You can also wad up newspaper or use cardboard to make a volcano shape. 

Then, mix together 1/2 cup of vinegar, a few drops of dish soap, and a few drops of red food coloring (if you want the lava to look more realistic).

Place the cup or jar inside the container or volcano shape you have created, and add the baking soda.

Finally, pour the vinegar mixture into the cup or jar, and watch the eruption happen!

To add the excavation activity component, hide obsidian or small plastic dinosaur toys inside the baking soda before adding the vinegar mixture. Then, use spoons or other tools to dig them out of the "volcanic ash" after the eruption. Just be sure to rinse the discoveries off before enjoying as they will be a little smelly from the vinegar and the food coloring can stain hands, clothes, and surfaces. 

Have fun watching your homemade baking soda and vinegar volcano experiment erupt and enjoy discovering the real obsidian you have hidden inside your excavation experiment!



The Fiery Science Behind Baking Soda and Vinegar Volcanoes: Understanding the Chemical Reaction


When baking soda and vinegar are mixed together, a chemical reaction occurs, producing carbon dioxide gas.


This reaction is an acid-base reaction, where the vinegar (acetic acid) reacts with the baking soda (sodium bicarbonate) to form carbonic acid. Carbonic acid is unstable and quickly decomposes into water and carbon dioxide gas, which produces the fizzing and bubbling action.


The carbon dioxide gas generated during the reaction builds up pressure inside the volcano, causing it to erupt and flow out of the top. The dish soap in the mixture helps to create foam, making the eruption look more like real lava.


5 Fun Ways to Turn a Baking Soda and Vinegar Volcano into an Awesome Science Project for Kids


Here are some suggestions for turning a baking soda and vinegar volcano into a science project for kids:


  1. Experiment with different ratios: Have kids try using different amounts of baking soda and vinegar to see how it affects the size and duration of the eruption.

  2. Test different ingredients: Try adding food coloring or glitter to the mixture to see how it affects the eruption.

  3. Explore the impact of temperature: Experiment with the temperature of the ingredients, and try using hot or cold vinegar or baking soda to see how it affects the reaction.

  4. Research different types of volcanoes: Have kids research different types of volcanoes and try to recreate them with their baking soda and vinegar volcanoes.

  5. Conduct further investigations: After creating their volcanoes, encourage kids to conduct further investigations by asking questions such as: "What happens if we add more baking soda to the vinegar?", "How does the addition of soap affect the eruption?", or "What happens if we add a third substance to the mixture?".


These are just a few ideas to get you started, but the possibilities are endless when it comes to turning a baking soda and vinegar volcano into a fun and engaging science project for kids!



Magma and Lava: Exploring the Fiery Depths Beneath Our Feet


Magma is a very hot, molten (or melted) rock that is found deep beneath the Earth's surface. When a volcano erupts, the magma is pushed up through the Earth's crust and comes out of the volcano as lava.


Lava can be very hot and can cause a lot of damage, but it can also be really cool to watch! Some types of lava are thin and runny, while others are thick and slow-moving. Did you know that when lava cools and hardens, it turns into a type of rock called igneous rock?


That's right, the same stuff that makes up volcanoes can also turn into a beautiful rock that we can find and use in lots of different ways!



The Fiery Beauty of Igneous Rocks: Exploring the Many Colors and Forms of These Amazing Rocks


Igneous rocks are a type of rock that is formed from cooled and hardened lava or magma.


There are two main types of igneous rocks: intrusive and extrusive.


Intrusive igneous rocks form when magma cools slowly deep underground, giving the minerals inside the rock more time to grow and form into large crystals.


Extrusive igneous rocks, on the other hand, form when lava cools quickly on the Earth's surface, leaving little time for the minerals to grow and form into crystals. Some examples of igneous rocks include granite, pumice, and basalt.


Did you know that igneous rocks are some of the most common types of rocks found on the Earth's surface? They can be found in everything from buildings to jewelry to the ground beneath our feet!



The Many Forms of Igneous Rocks: Exploring the Beauty and Diversity of These Incredible Rocks


Here are some common types of igneous rocks:


  1. Granite
  2. Basalt
  3. Pumice
  4. Obsidian
  5. Rhyolite
  6. Andesite
  7. Diorite
  8. Gabbro
  9. Tuff
  10. Scoria


These are just a few examples, but there are many more types of igneous rocks out there!


If you love volcanoes, igneous rocks, and the thrill of excavating, then you'll love Excavating Adventures!


This monthly subscription box takes you on a journey to exciting and mysterious fictional locations filled with rocks, minerals, fossils, and more. Our STEM-based science experiments provide an amazing hands-on learning experience for kids and students as they dig and uncover rare and unique specimens that you won't find in any store-bought excavation kit.


Plus, each subscription includes access to free live sessions with our Excavating Adventures guides, who will help with the excavation and answer any questions you may have. With 120 different specimens and trading cards to collect, every month brings a new opportunity for discovery and excitement!


Join Excavating Adventures today and let your inner adventurer roam free as you explore the wonders of the earth!



Get Creative with a Paper Mache Volcano: Learn How to Make Your Own Erupting Masterpiece


To make a paper mache volcano, you'll need some supplies like newspaper, flour, water, and a plastic bottle.


First, crumple up some newspaper and mold it around the plastic bottle to make the shape of the volcano.


Then, mix some flour and water together to make a paste.


Dip strips of newspaper into the paste and layer them over the newspaper on the bottle, smoothing out any wrinkles as you go.


Keep adding layers until the volcano is sturdy and you can't see any more newspaper.


Let it dry overnight, and then you can paint and decorate your volcano any way you like!


When you're ready to make it erupt, just follow the instructions for the baking soda and vinegar volcano experiment!


10 Fun Facts About Volcanoes: Learn Some Amazing and Surprising Things About These Fiery Mountains


Here are some fun facts for kids about volcanoes:


  1. Volcanoes are mountains, but they are not like regular mountains because they have a hole in the top where magma can come out.
  2. The biggest volcano on Earth is Mauna Loa in Hawaii. It is about 13,000 feet (4,000 meters) tall, but most of it is under the ocean!
  3. When a volcano erupts, it can shoot rocks, ash, and lava into the air. Lava is the hot, melted rock that flows out of a volcano during an eruption.
  4. Volcanic ash can travel thousands of miles in the atmosphere and affect the weather all over the world.
  5. Some volcanoes can be very dangerous, but others are dormant (not currently erupting) and can be beautiful tourist attractions.
  6. People who study volcanoes are called volcanologists. They use special tools and equipment to monitor volcanoes and predict when they might erupt.
  7. There are around 1,500 active volcanoes in the world, but most of them are in the Pacific Ocean region.
  8. The ash and gases from volcanic eruptions can create beautiful sunsets because they scatter the light in the atmosphere in different ways.
  9. Some animals, like bacteria and tube worms, can live near volcanic vents deep under the ocean where it's very hot and dark.
  10. People have been fascinated by volcanoes for thousands of years. Many ancient cultures had stories and myths about the fiery mountains, and some even worshipped them as gods!



The Many Faces of Volcanoes: Discover the Different Types of Volcanoes and How They Form


Here are the different types of volcanoes:


  1. Shield volcanoes: These volcanoes have a broad, gently sloping shape and are created by the slow, steady flow of lava. Hawaii's Mauna Loa is an example of a shield volcano.
  2. Stratovolcanoes: Also called composite volcanoes, these are tall, steep-sided volcanoes that are built up by alternating layers of lava, ash, and other materials. Mount Fuji in Japan is a famous example of a stratovolcano.
  3. Cinder cone volcanoes: These are small, steep-sided volcanoes that are made of loose fragments of lava that have been blasted into the air and fallen back to the ground. They usually form quickly and are often found on the sides of larger volcanoes.
  4. Calderas: These are massive, circular depressions that form when a volcano collapses into itself after an eruption. Yellowstone National Park is home to a famous caldera.
  5. Fissure volcanoes: These are long, narrow cracks in the Earth's surface that can release lava in a volcanic eruption. The eruptions can last for days, weeks, or even years. The Laki fissure in Iceland is an example of this type of volcano.



Volcanologists: The Scientists Who Study Explosive Earthquakes, Volcanoes, Lava Flows, and More


Scientists who study volcanoes are called volcanologists.


They study the physical processes and characteristics of volcanoes to better understand how they work and how they might erupt in the future.


Volcanologists use a variety of tools and techniques to study volcanoes, including seismometers to monitor earthquakes, gas sensors to detect volcanic gases, and drones and satellites to capture images and data from above.


By studying volcanoes, volcanologists can help predict and mitigate the effects of volcanic eruptions, which can be dangerous and destructive to nearby communities.


They also help us better understand the history and geological processes of our planet.


Of all the wonders of our planet, volcanoes are among the most fascinating and awe-inspiring. From the explosive eruptions that shape the land and create new islands to the beautiful igneous rocks that tell the story of Earth's fiery past, there is always something new to discover and explore.


By learning about volcanoes and conducting our own experiments, we can become like real-life volcanologists, uncovering the mysteries of these amazing natural phenomena. So, let's grab our lab coats, gather our supplies, and get ready to erupt with excitement and learning! Who knows, you might just be the next great volcanologist in the making!


Be sure to explore the Excavating Adventures blog, your ultimate resource for hands-on excavation activities that you can do right at home!


Our blog is packed with hundreds of exciting projects and experiments that are perfect for kids and adults alike, designed to spark curiosity and inspire a love of science and discovery. From creating your own fossil dig to building a working volcano, our blog offers a wide variety of STEM-based activities that are both educational and fun.


Join us on this exciting journey of exploration and uncover the wonders of the earth!