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.
This demonstration/activity introduces students to the concept of limiting reagent in a chemical reaction. Too often, students think that one can produce more product by using larger quantities of... read more
Categories: Teacher Demonstration
In this demonstration, laser light is bent as it travels through a sugar (or salt) solution of varying concentrations. read more