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. In this demonstration we try to follow this arrangement to produce a surprising effect.
Categories: Teacher Demonstration
This demonstration shows how water can affect the growth of bread mould. read more
Categories: Teacher Demonstration
In this demonstration, a chemical reaction is used to make a hidden message visible. The demonstration illustrates an entertaining application of chemical reactions in toys and everyday objects. It... read more
Categories: Lab/Student Activity, Teacher Demonstration
In this activity, student mix a given quantity of salt with a fixed volume of water. Mass and volume measurements are made before and after mixing to determine if these quantities change. Students... read more