in the Kitchen Archive

How to Make a Rubber Egg

Let me present a classic experiment, I suggest  you to try if you have not done so before. Because it is a very simple, surprising and fun experiment. We will learn how to make a rubber egg! You only need two eggs more or less of equal size, vinegar, water and two transparent containers. You place an egg in each container and cover one with vinegar and the other one …

Sweet Crystallization: Sugar Lollipops

Some time ago, we explained how you can make a crystal grow. At the time, we tested with a solution of salt and sugar and we just achieved it by dissolving the salt. This time we have come across this idea for making candy and after seeing the blog photos, who wouldn’t feel like trying? So we resumed our former crystallization experiment in order to make these delicious crystallized sugar …

Sun Experiences: Food Drying

Last summer we told you about several experiments involving the sun, such as discovering the dangers of radiation but also its benefits, such as making a solar oven. By the end of the summer we’d also conducted a final experiment in order to discover more of the positive effects of the sun: using solar radiation, we dried tomatoes in a completely natural way. This is one of those opportunities to …

Cooking with a Solar Powered Oven

A few days ago we were talking about the harmful effects of the sun. Well, today we’re going to discover it’s positive benefits by using it as a simple, fully accessible and ecological energy source to build a solar powered oven. As this blog is especially dedicated to children between 3 and 9 years of age, we’ll make a simple oven that we discovered on the fantastic Science at home …

Making “Ecological” Plastic

When we performed the experiment Milk “solidification”, we mentioned that we saved some of the milk for a second solidification experiment. Today we are going to tell you what this second experiment is about: making “plastic” from milk. Originally we heated the milk without allowing it to boil and then added a tablespoon of vinegar and stirred the mixture. Then, we observed that it began to solidify, forming small lumps. …

Science in the Kitchen: Playing with Flour

On other occasions, we’ve talked about how developing a new cooking recipe or making any of the usual foods in our kitchen (like bread or butter) can become a scientific experiment for the study of the composition of food, its structure or its transformation by various chemical or physical methods. Today we will explain another homemade recipe in which we will observe a process of flour transformation, this time to …