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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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.

Be sure to subscribe and check out more videos!

Subscribe: https://www.youtube.com/channel/Flinn...

Facebook: https://www.facebook.com/FlinnScienti...
Website: https://www.flinnsci.com/