by msander | Nov 20, 2018 | Gr. 11-12 Chemistry
««« By James Palcik A solution is prepared containing a dye. The dye, methylene blue, is colourless in a reduced state. Upon shaking the solution, the dye is oxidized and displays a blue colour. As the solution stands undisturbed, the dye fades to colourless as...
by msander | Jul 19, 2017 | All Science Teachers, Safety
STAO’s Safety Mindedness Program, the leading safety training program for Ontario Science teachers has been updated. Safety Mindedness now works seamlessly on virtually any device. Gestures like screen shrinking and expanding now works on tablets and phones....
by msander | Nov 24, 2014 | All Science Teachers, Teaching Strategies
The PEOE strategy is a fun and effective way to conduct demonstrations. In the process, you engage students in scientific inquiry. And once students are engaged in your lesson, teaching science is so much fun and rewarding! What is PEOE? The PEOE strategy follows the...
by cbrookallred | Oct 20, 2014 | Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
Many teachers demonstrate the reaction of lithium, sodium and potassium with water when discussing the trend in reactivity of the alkali metals. In order to conduct this demo safely, it is imperative that only a small quantity of metal is used and that appropriate...
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