This demonstration results in the isolation of DNA from banana. It is very useful for students to see DNA to bring some sense of physical reality to what can be a very abstract topic.
Related Resources:
Teacher Demo: Flame Tests
Categories: Teacher Demonstration
This classic demonstration involves conducting flame tests of metal salt solutions. The colour of each flame test can be used as a qualitative test to detect the presence of the corresponding metal... read more
Teacher Demo/Student Activity: There's Iron in your Cereal?
Categories: Lab/Student Activity, Teacher Demonstration
This demo shows how flakes of iron can be extracted from iron-fortified cereals with the use of a strong magnet. The demo shows a physical separation process and provides students with a good example... read more
Teacher Demo: Deforestation
Categories: Teacher Demonstration
Primary industry has been important to the Canadian economy for hundreds of years. In particular, the vast forests in British Columbia and Ontario provide the raw materials for a billion-dollar... read more