Buzz
Making a volcano is a classic science experiment, ideal for at-home learning, a school project, or simply a fun activity for children on a rainy day. Even adults can enjoy it when used as a fun party game. This guide presents several different methods to create a volcano – just pick the most exciting one or the one for which you have the ingredients listed in 'Things You Need'.
Note: Be sure to pour the lava ingredients in a spot you don't mind getting messy. It’s best to let the volcano erupt outside if you don’t want to spend too much time cleaning up!
Steps
Standard Volcano
Place a layer of wax paper.
Place a container in the center. You can use a soda can, a glass jar, or a plastic bottle as the core of your volcano. This is the spot where you'll place the lava!
Use clay to form the rest of the volcano. Mold the clay from the base of the container to the top. Try to make it uneven and rugged instead of smooth, as real volcanoes aren't perfect funnels!
Let it sit for about an hour, or until the clay dries.
Prepare the vinegar. Add a bit of red food coloring to the vinegar and stir in a tablespoon of dish soap.
Pour the mixture into the volcano.
Prepare the baking soda pack. Place the baking soda inside a square tissue or toilet paper. Fold the tissue or toilet paper and secure it tightly with a rubber band.
Place the baking soda pack into vinegar.
Step back. Once the paper dissolves, the volcano will erupt.
The volcano erupts with lava
Set up a clean surface to work on. You'll need a surface that won't mind getting dirty since this activity can get quite messy.
Take a bottle. You'll need a fairly large bottle, such as a 1-liter soda bottle.
Shape the exterior of the volcano. You can use clay, modeling clay, mud, or aluminum foil for this. Then, paint it with brown and black to make it look more realistic and let it dry completely.
Add more hydrogen peroxide.
Mix in some soap and food coloring. Add at least 6 drops of red food coloring and 2 drops of yellow. Then, stir in about 2 tablespoons of liquid soap.
Mix the yeast. Take 1 tablespoon of dry yeast and mix it with 3 tablespoons of water in a small glass.
Pour the yeast mixture.
The volcano erupts
Conduct the experiment outdoors. This type of volcano creates a large explosion, so you should perform the experiment outside in a spacious area. Only adults should carry out this experiment, but children will love watching the show!
- Don't take this lightly, it's a bit dangerous. Be cautious!
Find a few people to assist. This experiment requires at least two people, three would be even better. Those participating in the experiment must cover their skin completely and avoid wearing overly loose clothing.
- This experiment involves liquid nitrogen, which can be unpleasant if it comes into contact with skin. Be careful.
- Additionally, wearing protective goggles is important. If you're lucky enough to be chosen as the one to trigger the explosion, make sure to wear goggles.
Use a sturdy plastic trash bin. Avoid small bins. Opt for a large, sturdy bin that cleaning staff typically use. A low-quality bin can crack and ruin the experiment, so choosing a good one is crucial. The plastic should be thick, and the seams should be strong. Place the trash bin on a concrete, stone, or brick surface.
Fill the bin with water.
Get a plastic bottle ready.
Pour liquid nitrogen into the bottle. Place the bottle on a flat surface and have someone hold the funnel just above the bottle's opening. Another person should have the bottle cap ready to seal it once the liquid nitrogen is poured. Pour about 5 cm of liquid nitrogen into the bottle (the exact amount isn't critical, as it doesn't affect the outcome significantly).
Quickly seal the bottle. The person holding the cap must swiftly seal the bottle's opening. You have a maximum of 5 seconds to close the bottle and submerge it in the water bin.
Place the bottle in the center of the water bin. Drop the bottle into the center of the bin and quickly run to a safe distance. The explosion will occur within 15-30 seconds.
Enjoy the explosion. Make sure everyone is standing at least 9 meters away. The further away, the better. The explosion will be loud. This explosion simulates a Plinian eruption, a type of volcanic eruption commonly associated with Mount St. Helens or the ancient Vesuvius. Water will shoot into the air and fall back down like rain.
- Wait at least 2 minutes before assuming the experiment failed. You should wear protective gear and approach carefully to check. If no explosion occurs, it may be due to the bottle cap not being sealed correctly.
Advice
- Be extra careful when pouring the ingredients to avoid a messy explosion.
- Combine soda and mint candies to enhance the explosion effect.
- It's best to perform this experiment outdoors since it can get messy.
- Make sure the rubber band is tightly secured.
- Keep a safe distance to avoid being affected by the explosion.
- Measure the ingredients accurately to ensure the process works smoothly.
- Children should have adult supervision while performing this experiment.
- Place the volcano on newspaper or a table to avoid making a mess.
- For a bigger explosion, you can increase the amount of vinegar and baking soda in the bottle.
- Add some glitter for a sparkling effect.
- Perform the volcano eruption on a hard surface or a cake stand for easier cleanup.
- Don't add too much water, or the volcano won't erupt as expected.
Warning
- This is a messy experiment! It's best to carry it out outdoors or in the kitchen or bathroom with tile floors. If you use food coloring, it might stain the floor and furniture.
- Don't forget to wear gloves and safety goggles.
- This experiment can be dangerous if you're too close. The bubbling ingredients could splash into your eyes if you're too near when the volcano erupts. Keep a distance of at least 60 cm.
- Step back immediately after pouring the vinegar, as the volcano will erupt right away.
Things you'll need
Regular volcano
- Soda can or bottle
- White vinegar
- Baking soda
- Paper towels
- Food coloring
- Rubber band
- Clay
Lava eruption volcano
- 1-liter soft drink bottle
- Adhesive tape
- Clay
- Paint
- Hydrogen peroxide
- Dry yeast
- Clean water
- Dishwashing liquid
- Food coloring – red and yellow
Volcano erupts
- Liquid nitrogen
- Large, sturdy trash bin
- Water
- Kool-Aid powder (optional)
- Ping pong ball
- Plastic soda bottle (with cap)
- 2 bricks
