by Michael Frankfort | Jul 10, 2022 | All Science Teachers, Biology, Blog, Critical Thinking, Elementary, Environment, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Grade 10, Grade 11, Grade 12, Grade 4, Grade 5, Grade 6, Grade 7, Grade 8, Grade 9, Inquiry, Scientific Investigation Skills and Career Exploration, Scientific Literacy, Secondary, Teaching Strategies
Submitted & Written by Michael Frankfort @mfrank_76 Elementary Teacher, York Region District School Board, STAO Blog Contributor, Sci-Fi Geek This past spring, I had the opportunity to present a webinar for the Ontario Teachers’ Federation called...
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...
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...
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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