• Question: Why do mentos explode in coke?

    Asked by paul and james to Áine, Ciarán, Eoin, Lydia, Victoria on 12 Nov 2014.
    • Photo: Lydia Bach

      Lydia Bach answered on 12 Nov 2014:

      Hi,

      mentos has a structure that allows the gas bubbles in the coke to form very quickly. That’s because the surface of a mentos drop actually has a lot of holes, which increase the surface area of the mentos. That gives the gas bubbles a lot of space to react and form.

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