The thermite reaction is very exciting, but also extremely dangerous. Iron has a melting point of over 1500C and the reaction can reach temperatures of over 2000C. This reaction was once used to weld railroad tracks together. This demonstration safely illustrate the thermite reaction, which is an exothermic redox reaction. It is also an introduction to corrosion reactions.
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
Categories: Teacher Demonstration
This quick demonstration is a highly visual illustration of the use of acid-base indicators to determine pH. Milk of magnesia is mostly a suspension of magnesium hydroxide in water. Magnesium... read more
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