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Tom Kuntzleman's picture

Hydrophobic vs. Hydrophilic, Polar vs. Non-polar

Mon, 05/13/2013 - 20:47 -- Tom Kuntzleman

Wow! A very neat experiment, called “Hydroglyphics”, published by Kim, Alvarenga, Aizenberg, and Sleeper in the Journal of Chemical Education allows you to transform a common plastic Petri dish into a unique teaching tool to demonstrate the difference between hydrophobic and hydrophilic surfaces. Check it out in the video.

Tom Kuntzleman's picture

Fun with M & M's

Sat, 05/04/2013 - 06:35 -- Tom Kuntzleman

I came across a simple, yet interesting experiment that was first described by Elizabeth Sumner Walter in 2001. She merely had students pour water into a dish containing some Gobstoppers candies. I showed this experiment to some of my college chemistry students while they were working on a different laboratory experiment.

Deanna Cullen's picture

Publishing Your Work

Thu, 04/18/2013 - 18:46 -- Deanna Cullen

Whether it is a completely unique idea or just a twist on an old classic, engage in collaboration with other chemistry teachers around the world and publish your work. There are many venues and the pool of precollege chemistry instructors that are already contributing is relatively small.

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