Beach Towels and Biology

 In Ocean Academy

By: Kathleen Caffee,  Science Teacher


Biology students have been learning about cellular specialization and homeostasis.  One of the topics discussed was feedback loops.  A feedback loop can be positive or negative.  Students determined that trying to stay balanced on top of a rolled towel is like a negative feedback loop.  Negative feedback loops are processes that try to keep a steady target.  Another great example is your thermostat at home.  When your thermostat senses that it has dropped below a certain temperature the heat will come on.  When it warms to the target temperature the heat will shut off.  Students enjoyed using their negative feedback loops to stay on top of one leg!


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