by msander | Nov 22, 2018 | Gr. 11-12 Physics
This engaging video gives us a detailed explanation of how we hear, the fundamentals of sound production, the overtone series, and how we distinguish one sound from another....
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...
by msander | Feb 12, 2018 | Gr. 11-12 Physics
Amplify your students’ understanding of wave motion with this captivating demonstration! Using simple materials, students can have significant influence on large-scale variables of frequency, amplitude and wave speed as they observe wave motion through a medium. Click...
by msander | Dec 4, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Where do glaciers and icebergs get their beautiful blue color? This unique blue might be nature’s most brilliant, and the color arises in a very special way thanks to some surprising interactions between light and water molecules. Who knew physics could be so...
by cbrookallred | Nov 19, 2017 | All Science Teachers, Gr 4-6 Science & Tech, Gr. 11-12 Physics
So, you’re waiting for your dinner to arrive and you’re bored out of your mind. There’s nothing to read… the conversation is slim to none… and you’ve already counted all of the sugar packets. Hmmm? There’s a straw… and...
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