by msander | Jan 5, 2015 | Gr 9-10 Science, Gr. 11-12 Physics, Safety
https://www.youtube.com/watch?v=CnVDayI-gwI Improperly stored 9V batteries can cause a fire if they are stored improperly. Watch the video to find out how. For more information on the potential hazards, storage and disposal of 9V batteries, go to this link provided...
by msander | Dec 18, 2014 | All Science Teachers, Safety
The December 2014 issue of Professional Speaking, the journal of the Ontario College of Teachers (OCT), features an article entitled, “Safety Rules”. This article discusses safety in Ontario schools and highlights the issue of science safety and the...
by msander | Dec 11, 2014 | Gr 7-8 Science & Tech, Gr 9-10 Science, Safety
Demonstrations are an integral part of any science program. These activities engage students and help bring the “real world” into the classroom. STAO has recently developed a collection of safe demonstrations/activities for grades 9 and 10 that have been...
by msander | Nov 13, 2014 | Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
Elephant Toothpaste is a popular demonstration to introduce the concept of decomposition reactions. The chemical reaction involved is the decomposition of hydrogen peroxide into oxygen gas and water. The reaction is very slow at room temperature....
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...
by msander | Oct 20, 2014 | Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
Diluting acids to prepare a solution of a required concentration requires skill, training and common sense. This Flinn Scientific video offers good, practical advice on how to prepare dilute acid solutions. A safer alternative to working with concentrated acids is...
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