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| This one is Seb's crystal-growing machine |
We learned about homeostasis and positive and negative feedback cycles, and then I had the children design a machine using the principles of homeostasis. I am fairly sure these wouldn't work in real life, but they looked really cool and I had fun listening to the boys tell me about them. :)
Here is a video about homeostasis.
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| Abe's greenhouse |
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| Seb's roller coaster |
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