This is a classic demonstration that illustrates the power of atmospheric pressure. A small amount of water is heated in a pop can. The can is inverted and submerged in ice-cold water. As a result, the pressure of the gas inside the can is quickly reduced dramatically crushing the can by the pressure of the atmosphere.
Cells require a constant supply of glucose and oxygen to produce energy. Cellular respiration occurs in the mitochondria of a cell. As a result of this process, large quantities of waste carbon... read more
Categories: Teacher Demonstration
Proteins have specific uses inside cells to support biochemical reactions important for cell structures and metabolic processes. Cells maintain a balanced internal environment that allows these... read more
Flour is an ingredient that is found in most kitchens and used regularly for baking and cooking. Consequently, it is considered safe, and people do not regard the potential hazards. In reality, flour... read more