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
Students had previously learned how light behaves as it interacts with plane and curved mirrors using ray boxes and mirrors. I created a guided inquiry investigation regarding how light behaves as it... read more
In a grade 9 academic classroom setting I made a few assumptions based on prior experience - 1) students generally are well adept at information retrieval and have had some exposure to science... read more
This resource highlights the advantages of using Edpuzzle to personalize any video to make it more accessible for your students. Teachers can add voice overs and add quizzes for students. Teachers... read more