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Congratulations! You already have a STAO membership through Conseil scolaire catholique Nouvelon School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire catholique Nouvelon. Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

Congratulations! You already have a STAO membership through Conseil scolaire public du Grand Nord de l’Ontario School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire public du Grand Nord de l’Ontario . Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

Congratulations! You already have a STAO membership through Le Conseil scolaire public du Nord-Est de l’Ontario School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire public du Nord-Est de l’Ontario. Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

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Carbon Dioxide Solubility Demonstration – submitted by Flinn Scientific Canada

Carbon Dioxide Solubility Demonstration – submitted by Flinn Scientific Canada

by msander | Oct 12, 2018 | Gr 9-10 Science, Gr. 11-12 Chemistry

A candle and beaker of pink phenolphthalein solution are placed inside a jar. The candle is lit and the jar is capped. The flame expectedly goes out as the oxygen is depleted. After the flame is extinguished, the pink solution slowly fades to colourless. What has...

Indicator Sponge – A Discrepant Event Demonstration from Flinn Scientific

Indicator Sponge – A Discrepant Event Demonstration from Flinn Scientific

by msander | Mar 8, 2018 | Gr 9-10 Science, Gr. 11-12 Chemistry

The discrepant event of placing a red sponge in a red solution and having it turn blue is sure to capture your students’ attention and stimulate a lively discussion of possible explanations. The indicator sponge is saturated with congo red solution. Congo red is a...

pH Rainbow Tube

pH Rainbow Tube

by msander | Jan 1, 2018 | Gr 9-10 Science, Gr. 11-12 Chemistry

Introduction In this demo, the teacher creates a beautiful rainbow of colours in a demonstration tube using universal indicator and a dilute acid and base. Discussion Universal indicator can be used to illustrate an entire range of pH conditions because it is made up...

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