Saturday, April 4, 2020

Mad Science: Discrepant Events

I posted a discrepant event for chemistry, mixing alcohol and water.  (Isopropyl or rubbing alcohol works, too.). What is a discrepant event?  In Science, we call them ‘hooks’ or ways to engage students.  Discrepant events are demos that make kids think.  Here and here are more examples.  Try this one, Turn the Arrow.  Watch.



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