I experienced a perils-of-teaching drama in (K). I had a whole bunch of demo stuff lined up in response to a persistent line of questioning from one student. Then, to my horror, he is out sick! What to do? I don't want him to miss all the features that were created with him in mind! We did a bunch of Question Box questions and I carefully tap danced around the missing demo - - I think they forgave me.
Silver Surfers got to build their neurons (with brown dendrites and brass axons)
and had a followup on Temperature, and why we have both Fahrenheit and Celsius scales. I think the abstraction of two numbering systems was a little lost on the class, but we had a nice time naming things that are hot, Very Hot, Very VERY Hot, medium, cold, and outrageously cold.
The one and only (ulp) question box entry was about human evolution, which worked best when we shrunk it down to a question of why are Big Brains a selective advantage? (I found that if you include furlessness, upright posture, and other traits - - then the whole conversation just gets too lumpy).
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