The Physical Science class began Electricity on Wednesday; our class had an extra lesson this week owing to the number of snow days this past winter. In an earlier post, I mentioned that the kids are working on concept maps and time-lines. This morning they made the play dough for Squishy Circuits. We have had mixed results getting the bulb to light. One student, L. reminded me she had tried this earlier for her Science Fair project and gave up in frustration. Last summer, the squishy circuits didn't work either. But, one group from my high school class had gotten them to work once; but, it did involve a great deal of profanity and numerous trials.
Today, L. and O. decided they would rather finish their time-line of scientists than experience the frustration of squishy circuits. But guess what? P. got it to work!!! A nine volt battery will blow the bulb and two AA batteries are not enough. P. used four AA batteries and reduced the amount of conductive clay. Here is proof!
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