Kitchen Chemistry

Do you know the difference between an exothermic and an endothermic reaction? Find out with these fun, fizzy experiments.

To recreate the exothermic reaction, you will need hydrogen peroxide (you can get this at beauty supply shops), dish soap, yeast and food colouring. Mix a 1 table spoon of dish soap, half a cup of hydrogen peroxide and a few drop of food colouring in a bowl. In a separate bowl, mix together a package of yeast and 4 table spoons of warm water and let the mixture sit for 2 to 5 minutes. Pour the yeast mixture into the hydrogen peroxide mixture to start the reaction.

To recreate the endothermic reaction you will need baking soda and vinegar. Mix a quarter cup of vinegar with a two table spoons of baking soda.

In both experiments, make sure you wear protective eyewear, gloves and an apron. Do not consume any of the materials. Make sure to try it somewhere that is easy to clean.

Discover more chemistry experiments with Do Try This at Home:


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