A discussion of why divers can't fill their tanks with limitless air evolved into how when water freezes it gets a little bigger. Alex remembers when I left a soda in the freezer and it exploded, but he wanted to do another experiment anyway. So we filled up a bottle of water and added some food coloring. That migrated into multiplying the drops of color to get the recipes we wanted to create the right colors. When the color was perfect we added a line on the bottle to show where the water was, and put it in the freezer. We shall see what we shall see.
Fun. :D
Now he's playing with his Spongebob playdough set. He was patently unimpressed with the multiplication workbook I gave him. Shocker, eh? Well, it's there if he gets interested.
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