Little Guy practicing his letters in a pan of salt. This week we learned more about the early American settlements, how they built their homes and what sorts of foods they ate. We investigated yeast and made butter! My kids are not unfamiliar with yeast since I bake bread every week, but I don't think I had ever let them really examine it or explained what exactly it does. This week in science, we did an experiment to show that gas (carbon dioxide) is produced by growing yeast. The kids worked together to mix yeast and sugar in warm water. Then I carefully poured it into a glass pop bottle and stretched a balloon over the neck. We set it aside in a warm place while we worked on some of our other lessons. We checked in on it just in time to see the balloon "sproing!" straight up! Both kids were so excited and really enjoyed the whole experiment. Miss M recorded our procedure and observations on a lab sheet and added it to her Adve...