In this demonstration, laser light is bent as it travels through a sugar (or salt) solution of varying concentrations.
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Teacher Demo: Mouldy Bread Demonstration
Categories: Teacher Demonstration
This demonstration shows how water can affect the growth of bread mould. read more
Teacher Demo: Limiting Reagent - Is More Better?
Categories: Lab/Student Activity, Teacher Demonstration
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
Teacher Demo/Student Activity: Conductor vs. Insulator
Categories: Lab/Student Activity, Teacher Demonstration
In this demo, a polyethylene strip is charged by rubbing with wool. The strip is then used to test what happens to the flow of charge when the strip is placed in contact with a conductor (iron nail)... read more