Volcano

Put one tablespoon of bicarbonate of soda in the volcano.


Add a few drops of a mixture of vinegar, red food colouring and washing-up liquid.


And lava pours out.


NaHCO₃(s) + CH₃COOH(l) --> CO₂(g) + H₂O(l) + Na⁺(aq) + CH₃COO^-(aq)


Cool!


The boys love this clip.

Daniel's Portrait of Grandma Norris