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ChemEd X contributors offer their ideas and opinions on a broad spectrum of topics pertaining to chemical education.

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by Deanna Cullen
Thu, 07/03/2014 - 11:23

I am enrolled in a Workshop in Michigan. We have only four days left of the 15 scheduled days.

Comments: 5
Recent activity: 3 years 2 months ago
by Tom Kuntzleman
Sun, 06/22/2014 - 11:34

One day during class I presented the disappearing rainbow demonstration and explained the chemistry behind it. After doing so, I had a student ask me if a particular bartending trick called “rainbow shots” was done in a manner similar to the way the disappearing rainbow demonstration is performed.

Recent activity: 3 years 2 months ago
by Deanna Cullen
Tue, 06/10/2014 - 12:33

I just finished reading in the June 2014 edition of JCE. He hits on a touchy subject between college chemistry instructors and their students...the grade.

Comments: 2
Recent activity: 1 week 5 days ago
by Sarah Kong
Wed, 06/04/2014 - 18:20

Here is something to ponder as you think about your lab experiences this year:  I have been using an excellent inquiry lab for the past few years.  I think it does a fabulous job guiding the students through the amazing (yet often dull to students) world of specific heat equations and learning about calorimetry.  However, this semester, I returned to the old, traditional calorimetry lab.  I wan

Comments: 6
Recent activity: 1 week 2 days ago
by 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 . It is entitled “” (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.

Comments: 1
Recent activity: 3 years 2 months ago
by Erica K. Jacobsen
Mon, 06/02/2014 - 16:35

“It sort of started to look kind of like a very pale blue.” A friend who teaches at the middle school level told me about a science experiment he’d done with his students. The procedure suggested to students that a particular solution would turn blue, but also asked them to write down what they saw happen. The thing was, it wasn’t actually designed to turn blue.

Comments: 1
Recent activity: 3 years 2 months ago
by Lowell Thomson
Sat, 05/31/2014 - 22:57

I've that my current grade 10 class is reading "The Case of the Frozen Addicts" together. As my students starting writing their blogs to respond to the reading, I saw quite a few questions that I couldn't answer. But I didn't want to leave the questions there with no response, so I went to Twitter to find scientists to join my class as a guest speaker.

Comments: 1
Recent activity: 3 years 2 months ago
by Tom Kuntzleman
Sat, 05/31/2014 - 15:16

Last year I wrote about a very simple experiment can be done using water, a plate and M&M’s candies.  The experiment can be seen in the video below:

Comments: 5
Recent activity: 3 years 2 months ago
by Shelly Belleau
Wed, 05/28/2014 - 09:19

I have been a member of the American Association for Physics Teachers (AAPT) since I began teaching in 2010. Each summer I attend the AAPT national meeting and give a short talk or poster presentation about some form of research that I conducted in my classroom that year.

Recent activity: 3 years 2 months ago
by Doug Ragan
Wed, 05/07/2014 - 23:58

In reference to the recent posting by Deanna Cullen and the list of where to find articles such as

Recent activity: 3 years 2 months ago