Students discover how rocks are created.  For this rock formation lesson, students investigate saturation, evaporation, and phase changes in geology.  Students create rock candy from skewers, string, boiling water and sugar.

Students investigate which diaper is the most absorbent. In this chemistry lesson, students calculate how much water is absorbed by diapers. They identify an unknown powder based on physical and chemical properties.

Learners observe the chemical reaction that occurs when salt is put on ice, and use the energy that is released to make ice cream.