This week, our theme was "Q is for Questions," so we focused on science experiments. None of the ones we did this week were unusual, but they were all new to my kids. They loved them, and I loved tapping into their wonder as we explored the world together. Because of their ages (4, 3, and 2), we focused on exploration instead of explanation. The first thing that we did was the classic dissolving-an-egg-shell-in-acid experiment. We used every bit of vinegar in the house to fill our jar, so we didn't have an extras to do the job correctly. The directions on the internet said to change out the vinegar after 24 hours, since the the acid gets "saturated" with calcium and can no longer absorb more after that amount of time. We only did 24 hours, which didn't dissolve it all the way, but it did pickle it enough that the egg was completely spongey. Dragonfly was completely unimpressed and disappointed. She thought that the egg with disappear completel