by msander | Dec 26, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
In this whimsical talk and live demo, scientist Li Wei Tan shares the secrets of bubbles — from their relentless pursuit of geometric perfection to their applications in medicine and shipping, where designers are creating more efficient vessels by mimicking the...
by msander | Dec 14, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
How to make Art from Slime We all know that playing with slime is one of the best things in the world. But, what do you do when you’re done. You can put it into a zip-lock bag and save it for later, or you can make Slime Art. What exactly is Slime Art? Well, once...
by msander | Dec 10, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Fish living in the oceans around Antarctica seem like they should freeze to death. But notothenioids have it all figured out, thanks to the antifreeze proteins in their blood! Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReactions Twitter!...
by msander | Dec 5, 2018 | 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 | Nov 30, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Here’s a twist on the classic chemical hand warmers you can buy for you to research and improve. If you’ve been outdoors when it’s really cold, there’s a good chance you’ve either used these yourself or wished you had. You can experience a variation on the science...
by msander | Nov 26, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
The kilogram, mole, kelvin, and ampere will be redefined by physical constants. Will this be the last video I make about SI units? Quite possibly. There’s something about being so precise and defining the systems within which science works. When we can more...
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