SciShow explains what really causes those popping sounds your joints make — fluid dynamics, people! — and what you should watch out for if you’re a habitual knuckle-popper.
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Categories: Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
In this lab, you extract and isolate DNA from strawberries using simple, household ingredients. You’ve probably learned or heard about DNA, but have you ever seen it? With the Strawberry DNA... read more
Categories: Gr 9-10 Science, Gr. 11-12 Chemistry
https://youtu.be/n2zOdsxC_eo Sports balls of all varieties whether it be soccer, or hockey, or tennis, owe their resilience and reliability to an unusual polymer, one whose derivatives and spinoffs... read more
Categories: All Science Teachers, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
http://www.youtube.com/watch?v=kgJSuo_6O-A Moving air can pack a powerful force, especially when Bernoulli’s Principle is involved. The Soda Can Jump experiment uses Bernouli's awesome principle... read more
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