by msander | Sep 5, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
UV at ground level is non-ionizing but it damages DNA and causes photoaging – how? Also, it turns out glass doesn’t block all UV (specifically UVA passes through). This is something I learned filming with the UV camera inside. Special thanks to Dr. Hayley...
by msander | Aug 21, 2018 | Gr 1-3 Science & Tech, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
Our science guy Steve Spangler in the studio today to teach us a little bit about carbonation, and of course get a little messy. Contact Steve Spangler at steve@stevespangler.com Contact Steve’s business manager at 855.228.8780 Visit Steve’s site at...
by msander | Aug 16, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
Thousands of animal species use toxic chemicals to defend themselves from predators. Snakes have blood clotting compounds in their fangs, the bombardier beetle has corrosive liquid in its abdomen and jellyfish have venomous, harpoon-like structures in their tentacles....
by msander | Aug 1, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
This video shows fascinating examples of the Fibonacci numbers in...
by msander | Jul 26, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science
This is a very effective way to demonstrate convection using simple materials...
by msander | Jul 19, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
The resonant frequencies of your vocal tract change when you breathe in a lungful of helium. Now, here’s how and why helium affects your voice. Source: Why Does Helium Affect Your Voice?
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