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...
by cbrookallred | Nov 21, 2018 | Gr 1-3 Science & Tech
Contributed by: Derek Totten …a good balance of science and fun! Big Ideas: Simple machines help objects to move. Simple machines and mechanisms make life easier and/or more enjoyable for humans. Curriculum Connection: Grade 3: Structures and Mechanisms...
by msander | Jul 26, 2017 | Gr. 11-12 Chemistry, Gr. 11-12 Physics
I have been obsessed with measurement for a long time and I’m not sure quite how it happened. The world’s roundest object played a role in this. I guess I’m just fascinated by how difficult it is to pin down a quantity like a kilogram. A physical...
by msander | Apr 13, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Mr. Key outlines how we use numbers in science, with specific regards to precision and significance. Please note that all questions, comments and critiques are welcome. However, because the primary purpose of these videos is educational for students/educators, the...
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