The discussion questions that start all of the activities can be difficult for us. Getting a reasonable answer out of my son can be a bit like pulling teeth. Apparently it is REALLY hard to think of something small when you are three years old. The only answer he wanted to give me was "a turtle". Not because it is small, but because there is one on his shirt. Eventually, with a LOT of prompting, he said that a seed is very small. This was just to lead into the fact that molecules are EVEN SMALLER than that. This could have been a very bad omen for the day, but thankfully it wasn't! The first thing we did was Atom Sort. *Side Note: Little Guy thought I said Adam, and asked me if it was like Adam and Eve. I said no, and tried to enunciate better. ut at least in my "accent" atom and Adam do sound very, very similar.* The pipe cleaner was a molecule, and the beads were atoms. He sorted out all of the red ones, then str...