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JCE ChemEd Xchange provides a place for sharing information and opinions. Currently, articles, blogs and reading lists from ChemEd X contributors are listed below. We plan to include other items that the community wishes to share through their contributions to ChemEd X.

JCE 95.05 May 2018 Issue Highlights

Mary Saecker | Mon, 05/07/2018 - 22:51

The May 2018 issue of the Journal of Chemical Education is now available online to subscribers. Topics featured in this issue include: electrochemistry and corrosion; textbooks; research on the chemistry teacher pipeline, argument-driven inquiry, and online homework; using everyday objects to teach; teaching organic chemistry with games; communication and writing; examining and creating innovative curriculum; computer-aided discovery activities; exploring kinetics; interdisciplinary laboratory investigations; from the archives: applications of 3D printing for teaching chemistry.

Determination of Citric Acid in Candies

Andrea Amato | Thu, 05/03/2018 - 22:12

Looking to change up your titration lab? Citric acid is very common in candy and other foods. Students will be engaged in using titration to find the amount of the acid in Mentos Now or other candy. Student and teacher documents are provided to help you use the activity with your own students.

Self-Inflatable Valentine Balloons – Chemistry is Everywhere!

Amiee Modic | Thu, 05/03/2018 - 08:58

Recently, while attending the High School Teacher Day at the ACS National meeting in New Orleans, we were given Wack-A-Pack™ valentine balloons and encouraged to play with them. I am a huge fan of finding chemistry in the real world and using it as an integral part of my instruction; and as we were experimenting, I was reminded of a rather fun activity I had done on Valentine’s Day with my AP students.

Titration: What do you prefer?

Chad Husting | Tue, 05/01/2018 - 20:24

Titrating this year for me has an added complication. The complication is that half of the science department has to be completely packed up and out of our rooms, including chemicals and equipment, before school ends. Half of the department is going to be completely remodeled (my half of course). Teaching must still go on in the middle of the madness.

From JCE - A demonstration for challenging students' thinking on acid-base chemistry and equilibrium

Dan Meyers | Tue, 05/01/2018 - 08:29

I was drawn to an article by Eilks, Gulacar, and Sandoval about Acid-Base Chemistry and Chemical Equilibrium in the April 2018 issue of JCE. The title of the article is "Exploring the Mysterious Substances, X and Y: Challenging Students' Thinking on Acid-Base Chemistry and Chemical Equilibrium." The premise of the article is to demonstrate how an instructor may use a group of compounds (zeolites) to "elaborate on the behavior of solid state acids and bases" while revisiting LeChatelier's principle.

Types of Ionizing Radiation Lab and Simulation

Lauren Stewart | Fri, 04/27/2018 - 19:28

As many teachers are preparing for the possibility of teaching online next semester, we are revisiting posts from the ChemEd X archives like this one that might be of help. The author has updated this activity by adding notes specifically to help those teaching remotely. - Radioactivity is a topic in chemistry that can be difficult to teach. This activity offers a data-driven approach with a simulation students can use in school or in an online learning environment. This can be used to give students an authentic lab experience for them to determine there are three types of ionizing radiation without direct instruction.

The International Scholastic Journal of Science - Publishing the original research of secondary school students.

Lowell Thomson | Thu, 04/26/2018 - 17:00

The International Scholastic Journal of Science is an online, open-access journal that provides the opportunity for secondary students to publish entry-level research and become part of the scientific process. In this blog post I will share information about ISJOS and encourage you to find students that are interested in publishing.

Confessions of a Part-Time Modeler

Roxie Allen | Wed, 04/25/2018 - 11:12

In the summer of 2016, there was a Modeling WorkshopTM for High School Chemistry just before BCCE in Colorado. I already had planned to go to BCCE, so I took the plunge. Two weeks of daily instruction and labs in student mode as well as teacher mode debriefing was exhausting and exhilarating at the same time. I left with a folder and flashdrive of curriculum resources provided by AMTA (the American Modeling Teachers Association.

The Chemistry of Weight Loss

Tom Kuntzleman | Tue, 04/24/2018 - 18:48

If you want to lose weight, you have to burn calories. Anyone who has gone on a diet knows this. But when someone loses weight, have you ever wondered where the lost mass goes?