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: All Science Teachers, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
https://youtu.be/W-xgAksRK2A When the Perseverance rover landed on Mars, NASA hinted the spacecraft's parachute had a hidden message. Enter 23-year-old Maxence Abela. The computer whiz and his... read more
Categories: Gr 9-10 Science
[caption id="attachment_1619" align="alignleft" width="300"] Image courtesy of Wikimedia Commons[/caption] The big bang theory is the most accepted theory for the formation of the universe. The... read more
Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
https://youtu.be/R9mn2vZ9d5U Air pockets surrounding metal balls cut drag up to 90%. Learn more: Read the paper (free): http://scim.ag/2xbi1DZ read more
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