On a hot afternoon, a little experimentation in buoyancy can hit the spot. After reading "What This Story Needs is a Pig in a Wig" (a story that piles more and more things and creatures on a boat), we talked about buoyancy. The kids then got a piece of foil and were given the challenge to make it be able to float as many glass beads as possible.
Counting and tallying were a part of the process...
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