Delicious chemistry.. for young people

We practice chemistry in our daily lives; We all practice chemistry without knowing it. For example, in the cup of tea that you prepare, when you put sugar in the water, you are performing a chemical process, which is dissolving or dissolving, and also if this sugar exceeds the limit, you have performed the crystallization process, and when you put lemon in the tea, you are putting the citric acid in the lemon in it. A cup of tea...and all of the above are in fact nothing but simple chemica...