Thai National Science Day

Tuesday the 18th of August is recognized as Thai National Science Day. During morning assembly, three students from Secondary 4 presented and experiment called the ’Elephant-toothpaste’ experiment. The experiment showed an exothermic reaction using liquid soap and hydrogen peroxide. Potassium iokide was uesd as the ccatalyst for the reaction. The chemical reaction produced hot foam, which rose and flowed out of the beaker. The students really enjoyed watching this experiment and it promoted an interest in Science during National Science Day