by msander | Nov 13, 2019 | Gr 9-10 Science
This lesson is used for students to analyse the design of a technological device that protects other devices by using or controlling static electricity (such as paint sprayers, photocopiers, lightning rods or grounding wires). I use this lesson near the beginning of...
by msander | May 13, 2019 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
Steve Spangler is a celebrity teacher, science toy designer, speaker, author and an Emmy award-winning television personality. Spangler is probably best known for his Mentos and Diet Coke geyser experiment that went viral in 2005 and prompted more than 1,000 related...
by cbrookallred | Feb 20, 2017 | Gr 9-10 Science
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...
by msander | Jun 22, 2015 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
In this demo, a polyethylene rod is charged by rubbing with wool. The charged rod is then used to bend a stream of water flowing from a tap. This demo is part of the STAO grade 9/10 demo collection – a series of engaging demos and activities specifically...
by msander | Dec 11, 2014 | Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Watch Derek Muller of Veritassium explain the science behind the demonstration known as Kelvin’s Thunderstorm. It may not be a practical way of generating electricity but the science is very...
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