by Milan Sanader | Mar 3, 2020 | Gr. 11-12 Chemistry
Water is one of the most abundant and important substances on Earth, so you think we’d know everything there is to know about it. But it turns out water is way weirder, and it often behaves in ways that leave scientists with more questions than answers. Hosted...
by msander | Nov 19, 2019 | Gr 7-8 Science & Tech, Gr 9-10 Science
Density differences cause objects to “float” in liquids that are already stacked on top of each other. With this science-magic trick, you’ll put a new spin on our famous Density Column demonstration. First, you’ll discover how to stack nine layers of liquids on top of...
by msander | Sep 24, 2019 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
It’s the world’s coolest crystal ball. Create a soap film on the rim of a bucket and, with one other simple ingredient, you will have made the world’s coolest crystal ball. Source: Dry Ice Crystal Ball Bubble – SICK Science | Experiments | Steve...
by msander | Sep 9, 2019 | Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Making liquid nitrogen is hard – in fact up until 150 years ago scientists doubted whether it was even possible to liquefy nitrogen. In 1823, At the royal institution in London, Michael Faraday first produced liquid chlorine, kind of accidentally by putting it...
by msander | Nov 9, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Sitting around a campfire, you can feel its heat, smell the woody smoke, and hear it crackle. If you get too close, it burns your eyes and stings your nostrils. You could stare at the bright flames forever as they twist and flicker in endless incarnations… But what...
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