It was great fun making the volcanoes and we learnt all about chemical reactions and what happens when certain substances are mixed together. We used Ascetic acid (vinegar) and bicarbonate soda. The reaction when they were mixed together was strong and made our volcanoes look as if they were erupting.
We had to be very careful when carrying out these experiments and wore safety goggles and overalls to protect us.
Here's how we did it!