In this demonstration, laser light is bent as it travels through a sugar (or salt) solution of varying concentrations.
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
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