by msander | Jul 19, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry
Introduction When two metals having different electrical potentials are placed in a solution of an electrolyte (such as a lemon or an orange, with its high concentration of citric acid), a crude electrochemical cell is set up. The cell is a voltaic cell resulting from...
by msander | Jul 19, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
In the UK alone there are over half a million people who have decided to live a vegan lifestyle. This involves not eating dairy or meat and instead opting for plant based food. However, across the globe, humans eat a staggering amount of meat and all these animals...
by msander | Jul 19, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry
Deep underground lie stores of once-inaccessible natural gas. There’s a technology, called hydraulic fracturing, or “fracking,” that can extract this natural gas, potentially powering us for decades to come. So how does fracking work and why is it a source of such...
by msander | Jul 12, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Since the days of Ancient Greece, philosophers and scientists have been wondering: What is space? Is the absence of things… a thing? These questions continued to fascinate physicists in the modern era, leading Isaac Newton, Ernst Mach, and Albert Einstein to wonder...
by msander | Jul 5, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry
Are you slowly killing your car by using below average gas? Olivia talks about octane ratings and how your vehicle is designed to handle them. Hosted by: Olivia...
by msander | Jun 26, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry
Introduction Food containers are common sources of waste. These materials can end up in landfill or be diverted by thinking of the 3 Rs: Reduce, Reuse, Recycle. Students will examine product packaging to assess packaging in terms of sustainability through the 3 Rs....
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