Two Canadian cities are doing an about face on their decision to remove flouride from drinking water after rates of tooth decay spiked, especially among children.
Source: Canadian cities rethink removal of fluoride from tap water | CBC News
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The Science Teachers Association of Ontario adds new resources, blog posts, videos and more on a regular basis.
Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
[embed]https://www.youtube.com/watch?v=P7LKm9jtm8I[/embed] Where do glaciers and icebergs get their beautiful blue color? This unique blue might be nature’s most brilliant, and the color arises in... read more
Categories: Gr 1-3 Science & Tech, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
This demonstration only uses a few kitchen items and requires very little set up and clean up time. It’s perfect for little scientist-artists who are always looking for new activities and... read more
Categories: Gr. 11-12 Chemistry
[caption id="attachment_7427" align="alignleft" width="450"] 63380940 - cell membrane, lipid bilayer, 3d illustration of a diffusion of liquid molecules through cell membrane[/caption] Osmosis, the... read more
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