How to Make Smoke Come Out of a Volcano

You can produce smoke from a volcano by placing a cup of water in it and adding some dry ice.
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A classic science project for students is to create a volcano model. Typically, this project employs the chemical reaction that occurs when baking soda comes into contact with vinegar to demonstrate the mechanics of an eruption. If you are making such a model and wish to add a dose of realism to it, you may want to have some smoke rising from your volcano's crater prior to the eruption. However, there are many obvious hazards associated with creating fire and smoke indoors. Fortunately, using some dry ice, you can create the visual effect of smoke with a relative degree of safety.

    Fill a small cup with water and place it within the crater of your volcano model. Pack it into the baking soda to keep it in place if you are planning to make it erupt.

    Put on your gloves and take the dry ice out of its container using tongs.

    Drop the dry ice into the cup of water to create rising wisps of smoke without the hazards of a fire.

    Things You'll Need

    • Volcano model
    • Cup of water
    • Small cube of dry ice
    • Heavy gloves
    • Tongs


    • Exercise extreme caution when handling the dry ice. It can cause frostbite if it comes into contact with unprotected skin.

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