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.
Click here to download the complete demo…..
Never miss a resource
The Science Teachers Association of Ontario adds new resources, blog posts, videos and more on a regular basis.
Categories: Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
You could almost say they are drop-dead gorgeous: when certain female dragonflies are pursued by unwanted suitors, they deter them by crashing to the ground Source: Female dragonflies fake sudden... read more
Categories: Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
https://youtu.be/aOeFRg_1_Yg Over the past 20 years, dinosaurs of all types and sizes have been found with some sort of fluff or even full-on plumage. These fuzzy discoveries have raised a whole... read more
Categories: Gr 9-10 Science, Gr. 11-12 Physics
https://youtu.be/qj7RN8sDYKo Cosmologists and astronomers have found a discrepancy in the Hubble constant from opposite ends of the universe. Is the Hubble constant in trouble? Learn more:... read more
Session expired
Please log in again. The login page will open in a new tab. After logging in you can close it and return to this page.
