Teachers are required to have fire safety training and permission of the employer before going forward with this demonstration.
The purpose of this demonstration is to illustrate an example of an exothermic reaction while looking at chemical properties of an alcohol. In this demonstration, a paper bill (Canadian or US or play money) of any denomination is lit on fire but it remains intact. The same is then done with a medical alcohol disinfectant pad.
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
Categories: Teacher Demonstration
Humans have had a huge effect on the environment by producing and releasing pollutants. Pollution leads to a variety of issues. Some of the better-known pollutants include greenhouse gases, which are... read more
Categories: Teacher Demonstration
This activity demonstrates the use of carbon by an aquatic plant. The process of photosynthesis can be represented by the reaction: CO2 + H20 + light _ C6H12O6 + O2. There are two distinct steps: the... read more