In this demo, two polyethylene strips are charged on one end by rubbing with wool. One charged strip is then mounted on an evaporating dish and the other charged strip is used to make the dish spin. As both strips become negatively charged when rubbed with wool they will repel each other when they are in close proximity.
Categories: Lab/Student Activity
This activity was developed for the Earth and Space Science strand (Earth's Dynamic Climate) of the grade 10 Science, Applied course. It was designed to identify the principal components of Earth's... read more
The inquiry began by the grade 5 students’ wonderings about two students in the community class after an assembly. They noticed that the students were communicating via Proloquo2go. This is a... read more