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.
Categories: Biology, Blog, Environment, General Interest, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry, Grade 10, Grade 11, Grade 12, Grade 9, Scientific Literacy, Understanding Earth and Space Systems
Blog submitted by Michael Frankfort, co-chair of STAO's Elementary Curriculum Committee STAO’s Elementary Curriculum Committee has previously highlighted some great work and resources from... read more
Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
https://youtu.be/RnvCbquYeIM Every year, the world uses 35 billion barrels of oil. This massive scale of fossil fuel dependence pollutes the earth, and it won’t last forever. On the other hand, we... read more
Categories: Gr 9-10 Science, Gr. 11-12 Physics
https://youtu.be/kvARvzMErnk Grant Thompson - the King of Random - teaches me how to start a fire with a Sandwich bag. And we tried to melt glass in my backyard: https://goo.gl/zb0uE0 Check out his... read more
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