Some of my Favorite Things for VSEPR
Melissa Hemling | Thu, 03/18/2021 - 17:25
Melissa Hemling shares her favorite manipulatives along with cheap at-home alternatives to help students visualize VSEPR.
polarity
Mini-Project Sequence: Orange Peels and Polarity
Laura Wang | Wed, 08/16/2017 - 19:26
The author shares a series of resources she has created that are built around a post here on ChemEd X about popping a balloon with an orange peel and the concept of polarity.
Floating Squares
Deanna Cullen | Tue, 06/03/2014 - 13:00
I was looking for a new demonstration to initiate a discussion about polarity and related properties to use as part of an exam review. I found a video at ChemEd X (this is part of a ChemEd X subscription). It is entitled “Floating Squares – Hexane and Water” (see note below). I have placed both solutions together before, but I had not added the squares. The demonstration fulfilled my needs. I could have used the original video and muted it if I had not had hexane to demonstrate with.
Chemistree Holiday
Deanna Cullen | Tue, 12/10/2013 - 20:16
My ChemClub students came to my room for a holiday celebration today. We made a batch of sea foam candy, experimented with Elephant Toothpaste, and marbled gift tags.
Hydrophobic vs. Hydrophilic, Polar vs. Non-polar
Tom Kuntzleman | Mon, 05/13/2013 - 20:47
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.