Q&A for How to Make a Papier Mâché Volcano

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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.

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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).

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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.

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Question

Can I make a mountain without the eruption?

Community Answer

Yes. Don't add the chemicals into your volcano.

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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.

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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.

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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.

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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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