This very simple to perform demo can be made very memorable by ensuring the students see it as a discrepant event. Students are expecting to see a free fall but instead see a low terminal velocity with no obvious source of friction.
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Teacher Demo/Student Activity: Limit to Cell Size
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Teacher Demo: Double Ball Drop
Categories: Teacher Demonstration
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Teacher Demo: Banana DNA Isolation
Categories: Teacher Demonstration
This demonstration results in the isolation of DNA from banana. It is very useful for students to see DNA to bring some sense of physical reality to what can be a very abstract topic. read more
