Paraffin Paradox

FlinnScientific
FlinnScientific
3.4 میلیون بار بازدید - 12 سال پیش - Why is the wax block
Why is the wax block white on top and dark on the bottom?

This video is part of the Flinn Scientific Best Practices for Teaching Chemistry Video Series, a collection of over 125 hours of free professional development training for chemistry teachers - http://elearning.flinnsci.com

ATTENTION: This demonstration is intended for and should only be performed by certified science instructors in a safe laboratory/classroom setting.

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12 سال پیش در تاریخ 1391/09/27 منتشر شده است.
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