We need water to survive–and Earth is covered in it! Unfortunately, almost all of that water is salty. In this week’s episode of Reactions find out why getting freshwater from ocean water is a lot trickier than you might imagine.
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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
https://youtu.be/M6xZZiaLOV4 This video provides some fascinating info about the periodic table's second lightest element - Helium. More links and info in full description ↓↓↓ All 118... read more
Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
In this teacher demo, Mentos mints are used to unleash the dissolved carbon dioxide in a 2 L bottle of carbonated pop, producing a 2-3 m fountain. Materials Plastic Apron Eye protection Package... read more
Categories: Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
https://youtu.be/DWkYRh6OXy8 Used in everything from bullet-proof vests to the walls of the Pentagon, polyurea's strength comes from its long-chain molecules. Check out How Ridiculous:... read more
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