Diluting acids to prepare a solution of a required concentration requires skill, training and common sense.  This Flinn Scientific video offers good, practical advice on how to prepare dilute acid solutions.  A safer alternative to working with concentrated acids is to purchase  prepared dilute solutions. Always check the MSDS and your Board protocols before working with chemicals.
Categories: Gr. 11-12 Chemistry
https://youtu.be/n6wpNhyreDE View full lesson: http://ed.ted.com/lessons/the-chemist... You stick cookie dough into an oven, and magically, you get a plate of warm, gooey cookies. Except it's... read more
Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
A new study published in the peer-reviewed journal Science on February 10, 2017 is challenging long-held ideas about how horses evolved. Paleontologist Juan Cantalapiedra and team compiled... read more
Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
https://youtu.be/h2rR77VsF5c We’ve harnessed electricity, sequenced the human genome, and eradicated smallpox. But after billions of dollars in research, we haven’t found a solution for a... read more
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