This demonstration shows how water can affect the growth of bread mould.
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Teacher Demo: Covered Lens
Categories: Teacher Demonstration
This demonstration will help students understand what is required for an image to be formed by a lens. As well, it will help to diagnose possible misconceptions about image formation. read more
Teacher Demo: Double Ball Drop
Categories: Teacher Demonstration
A head on elastic collision between an object with mass M and an object with mass 3M traveling with equal speeds results in all the kinetic energy of the system being transferred to the smaller mass.... read more
Teacher Demo/Student Activity: Charging by Contact
Categories: Lab/Student Activity, Teacher Demonstration
In this demo, a polyethylene strip is charged by rubbing with wool. The charged strip is then used to charge a neutral object, a pith ball, by contact. This demo can be done as a student activity. read more