by msander | Sep 9, 2019 | Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Making liquid nitrogen is hard – in fact up until 150 years ago scientists doubted whether it was even possible to liquefy nitrogen. In 1823, At the royal institution in London, Michael Faraday first produced liquid chlorine, kind of accidentally by putting it...
by msander | Aug 27, 2019 | Gr 9-10 Science, Gr. 11-12 Chemistry
Statistics Canada tested wastewater samples from five urban centres for illicit drugs and cannabis, and the results are a snapshot of what substances are more common in those Canadian cities. Source: Cannabis use highest in Halifax, while Edmonton had highest use of...
by msander | Aug 20, 2019 | Gr 9-10 Science, Gr. 11-12 Chemistry
Interactive periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, and compound search. Full descriptions from write-up sources. Click on the source below to launch the table Source: Dynamic Periodic...
by msander | Aug 1, 2019 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Who would have ever thought that a plastic bag, some water, and a few pencils would have adults screaming with fear? Learn how to poke holes in a plastic bag filled with water without spilling a drop. Well, that’s the theory you’re going to test… and it’s wise...
by msander | Jul 10, 2019 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Susanne Åkesson, Professor of Evolutionary Ecology at Lund University in Sweden, has been awarded the prestigious Ig Nobel Prize. The prize, which she shares with six other researchers from Hungary and Spain, was presented to them for their discovery that white horses...
by msander | Jul 2, 2019 | Gr 9-10 Science, Gr. 11-12 Chemistry
We need water to survive–and Earth is covered in it! Unfortunately, almost all of that water is salty. In this week’s episode of Reactions find out why getting freshwater from ocean water is a lot trickier than you might imagine.
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