This afternoon we took our volcanoes outside and simulated an eruption.

First of all we tried 2 tbs or bicarbonate of soda, 1 tbs of washing up liquid and 30ml of vinegar. This wasn’t very successful and Miss Booth’s Volcano didn’t erupt. We then thought about how we could cause a bigger reaction and came up with out own quantities.

Here are some of the results.

We then had a go using coke and mentos. The reaction wasn’t quite as fierce as we had expected. I wonder what we could have differently?