In this demo, a polyethylene strip is charged by rubbing with wool. The charged strip is then used to make paper circles stand on their edges inside a Petri dish. This demo introduces students to the charging of materials by induction as opposed to charging by contact.
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Categories: Gr 9-10 Science, Gr. 11-12 Physics
The big bang theory is the most accepted theory for the formation of the universe. The “big bang” is a misnomer because there was no explosion, but rather a rapid expansion. It is not known... read more
Categories: Gr 9-10 Science
The lesson plan attached incorporates the issue of racist policing again Black and indigenous citizens and the use of body cameras as well as fighting bias in facial recognition software. Here is... read more
Categories: Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
[embed]https://www.youtube.com/watch?v=piMv1dlcIzA[/embed] You probably know that voltaic batteries come in all kinds of shapes and sizes, from tiny button batteries to car batteries to huge... read more
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