Q&A for How to Make a Papier Mâché Volcano

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  • Question
    What is the best method to make a foamy eruption?
    Community Answer
    You could use Mentos and diet soda or baking soda and vinegar. Mentos and diet soda will likely cause the most powerful eruption.
  • Question
    Is using Pepsi the same as using Coke?
    Community Answer
    I think they will be the same, as long as they have carbon dioxide gas (CO2).
  • Question
    What is PVA glue?
    Community Answer
    It is polyvinyl acetate, commonly referred to as wood glue, white glue, carpenter's glue, school glue or PVA glue.
  • Question
    Can I make a mountain without the eruption?
    Community Answer
    Yes. Don't add the chemicals into your volcano.
  • Question
    What do I use if I don't have any colored paint?
    Community Answer
    There's really no substitution for paint. You could try using markers, but they may pierce the volcano and cause damage. I would strongly recommend buying paint.
  • Question
    Do I have to use Coke for this?
    Community Answer
    Other sodas will work to varying degrees, but the sodas to use for the best chemical reaction are Coke Zero and Diet Coke.
  • Question
    How big should I make the tray?
    Community Answer
    It depends on the size of your volcano, but a couple of inches of tray space around the volcano should allow it to contain (most of) the mess.
  • Question
    How long will it take me to make a paper mache volcano?
    Community Answer
    It will take a couple of hours, depending on how good you are at sticking with it. If you want to do it over a couple of days, just do it for an hour a day until finished.
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