Well, we tried to freeze bubbles once again today, and although still not what I was aiming for, we did at least have some success this time! There is more learning in scientific failures than immediate successes, right?! ;) We learned that smaller bubbles work better than bigger ones, and that we had to keep them protected from even the slightest breath of air. Mostly, as soon as we would start to see the tiniest bit of crystallization/freezing, the bubble would pop. Seeing them pop in these temperatures was pretty cool, too though - instead of just disappearing, they would send out a little poof of frosty, flaky bubble shards. But, see how these two bubbles are cracked, dented, and broken, but still there? They're frozen...we did it!
The kids really loved this sensory exploration this morning. SO simple to set up, too! Just a tub of water, and some trays of colored water with cotton balls in them. I added tweezers at the last minute as an after thought, and it was a definite hit! Whether using the tweezers or their fingers, it was a great fine motor activity, with scientific aspects (absorption, displacement - when they made big splashes, which brought big giggles, too!), and a great opportunity for expanding vocabulary (I heard words like darker, lighter, full, empty, splash, and lots of color words, too).
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